0
100% Satisfaction Guarantee
Amazing Value
Fast Shipping
Expert Customer Service
网络帝国的王者:蜘蛛
$32.86
蜘蛛和蜘蛛网是我们随处可见的,可却常被我们视而不见。蜘蛛是一种神奇的生物,它的网是一种美妙的艺术精品。 它们虽然肢体很小,但其生命力和创造力却是神奇非凡的,小小的蜘蛛,黏黏的蜘蛛网中却蕴藏着许多鲜为人知的奥秘。让我们感悟生命的伟大与自然界的奥妙,给我们人类许多的启迪, 随着科学的发展,对蜘蛛的更加深入,人们企望着能透过那晶莹的蛛丝,探究到更多的奥秘。 书中以图文并茂的形式,介绍了蜘蛛的繁盛家族;蜘蛛令人惊奇的身体构造及其超强的生存能力;用图解的形式,展示了蜘蛛种类的长相、绝妙的蜘蛛网以及让人诧异的生活方式等方面的有趣图像与知识。
奇特的物种 神奇的生命 1 蜘蛛是昆虫吗 4 蜕变式成长 5 有趣的求婚方式 6 奇特的夫妻关系 7 蜘蛛的巢 10 精致的育儿袋 10 负责任的母亲 12 蜘蛛老了的时候 12 蜘蛛也会冬眠 13 延伸阅读 16 网络式的生存之道 27 张网捕食的富裕生活 30 蜘蛛如何捕食 32 无处不安家 36 胜利大逃亡 39 群体结网求生存 42 延伸阅读 43 网络帝国的王者 49 天才的网络工程师 52 绝妙的网络结构 52蜘蛛织网的程序 55 构架网络的材料 58 蜘蛛网的类型 58 网管高手 控网自如 64 延伸阅读 66 蜘蛛教会我们的事情 71 建筑的风向标 74 互联网上的蜘蛛 74 蜘蛛是网络高管的前辈 76 蜘蛛是鸟儿的救星 78 蜘蛛与“震动感受器” 79 蜘蛛的液压腿与现代机器人 82 蛛丝与新型材料 82 转基因“蛛丝”棉花 83 延伸阅读 84
Shipping Overview:
• Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99.
• Order Processing: Please allow 1-2 business days for order processing and preparation before shipment.
• Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days.
• International Shipping: Currently, we only ship within the USA.
• Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.
Shipping Delays:
Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.
Shipping Options:
Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.
Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.
Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.
Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.
Delivery Details:
Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.
Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.
Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.
Shipping Confirmation:
You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.
Order Modifications:
If you need to cancel or modify your order, please contact our customer support immediately.
Issues with Delivery:
If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.
Customer Support:
Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.
Return & Refund Policy Overview
Please review our return and refund policies below to ensure a smooth transaction process.
Return Policy
Duration: You have 30 days from receiving your item to initiate a return.
Condition: Items must be unworn, unwashed, with original tags and packaging intact.
Shipping Costs: Customers are responsible for return shipping costs.
Packaging: Ensure returned items are well-packaged to avoid damage during transit.
Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.
Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.
How to Return
Method: Returns must be sent back by mail to the address provided in the return instructions.
Return Label
Defective Products: Return labels are provided for defective items.
Non-Defective Returns: Customers are responsible for obtaining their return shipping label.
Product Conditions for Return
Eligible Products: Returns are only accepted for items in new condition.
Nonreturnable Items
Certain items are not eligible for return:
Electronic devices after 30 days (e.g., computers, laptops, Kindles)
Gift cards, prepaid game cards
Perishable goods, live insects, some jewelry, some health and personal care items
Customized or personalized products
Items with special shipping restrictions
Refund Policy
Window: Eligible products may be returned within 30 days of delivery for a refund.
Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.
Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.
Claims
Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.
Exchange Policy
For the quickest service, return your original item and place a new order for the desired product once your return is accepted.
Return Address
EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366
Customer Support
Available 24/7 for any questions or assistance needed:
Phone: +1 636-312-5925
Email: cs@everymarket.com
Oops!
Sorry, it looks like some products are not available in selected quantity.
OK