Qian Zhang Books

Ben shu you Zhongguo di yi cai jing chuan mei qi xia da xing tan hua xing jie mu "Tou nao feng bao" yan sheng, cong yuan gong ye cong guan li zhe jiao du tan tau "80 hou" shi dai jia ru de zhi chan...

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By Qian Zhang, Zhiyong Kang

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"辛亥革命到抗日战争爆发前。中国抗战进入战略僵持阶段，日军受阻中国军队西北防线。日本人在敦煌莫高窟全力寻找古老奇书《西域水考》日军盯上了位于大漠天狼城之中的“隔离地带”黑河镇。这部手稿主要记录了这条丝路上的水源，只有了解沿途的水源所在，才能通过这条丝路。而日本人寻找手稿的目的，也正是为了这条丝路牢牢控制在手里… 天狼城黑河镇人称“七十九刀”魏鹏飞，一个传说中令人闻风丧胆的鬼；他的身份可怕而神...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

Qian Zhang Books

Auction Design for the Wireless Spectrum Market

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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