My rough benchmarks running the Sun 1.3 JDK on a two-processor Linux system show that a ThreadLocal.get() operation takes about twice as long as an uncontended synchronization.

据我的粗略测量，在双处理器 Linux 系统上的 Sun 1.3 JDK 中进行 ThreadLocal.get() 操作，所耗费的时间大约是无争用同步的两倍。

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Rough hands attend to the delicate work of pressing excess mercury from gold extracted at an illegal mining operation in Kalimantan, Indonesia.

在印度尼西亚的加里曼丹，一双粗糙的手小心翼翼地作着细致的活，从在一次非法采矿行动中萃取的金子里挤出水银。

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Through studying and applying to Inviting and Submitting Rid Law, aiming at some hard-to-handle operation or rough regulation articles, the author advances some own views and corresponding amendments.

通过对《招标投标法》的研究和应用，针对条文中难以操作或规定不详细及似欠妥之处，提出了看法及相应修改建议。

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During the rescue operation, the tow snapped twice in rough seas with winds gusting at up to 60mph.

BBC: Tobermory lifeboat in 11-hour rescue drama

Behind this retail chain is a wholesale buying operation: Graff Diamonds International is vertically integrated, taking stones from the rough shapes that come out of the mine to the display case.

FORBES: Magazine Article