这些书（分别或者作为一台设备有货）被用于给讯息需要承担设计这样的一个策略的挑战的实验室工人。
These books (available individually or as a set)are designed to give the laboratory worker the information needed to undertake the challenge of designing such a strategy.
这些书（分别或者作为一台设备有货）被用于给讯息需要承担设计这样的一个策略的挑战的实验室工人。
These books (available individually or as a set)are designed to give the laboratory worker the information needed to undertake the challenge of designing such a strategy.
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