ThreadGroups tend not to be used directly in thread-based programs.

线程组往往不会直接在程序中被使用。

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One-Thread-Based: all methods work on the same thread as the request was created.

单线程：请求本身具有线程无关特性，基于当前线程高效率运作。

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In this dissertation, we have conducted a sophisticated theoretical and technical study on checkpoint technology, and improved the thread-based kernel level checkpoint to speed up checkpointing.

本文对检查点技术开展了广泛深入的理论与技术研究，改进了基于线程的内核级检查点机制，加快了设置检查点的速度。

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It works like this: thread by thread technicians apply the synthetic, polyester-based extensions to each tiny lash (up to 120 an eye) leaving clients the look of full eye-make up.

FORBES: Google To Glam: One Woman's Career Reboot Finds Cash In Lashes