Let's explore the virtual appliance-as well as its alternative-in a bit more depth.

下面让我们深入探讨虚拟设备及其替代品。

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This paper introduces the structure and working principle of the crank rocker transposition mechanism of depth wheel on two way alternative plow and the process of optimizing its parameters.

介绍了全翻转式双向犁的曲柄摇块式限深轮换位机构的结构、工作原理及参数优化设计过程。

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"There is no current, validated alternative that provides the realism, immediate feedback, and depth of training that the live animal model provides, " the spokeswoman adds.

BBC: Who, What, Why: Does shooting goats save soldiers' lives?