工作原点（即程序原点），其是人为设定的点。没定的依据是：既要符合图样尺寸的标注习惯义要便于编程。因此当编程时，一般先找出图样上的设计基准点，并通常以该点作为工作原点数控车床工件原点一般选择在轴线与工件右端而、左端面或卡爪的前端面的交点上。如图 1 一！，其以工作右端面与轴线的交点作为工作原点。
回到原点：对于api层事务策略，客户机绝对不能在涉及事务的单一工作单元中对api层发出多个调用。
Back to the original point: with the API layer transaction strategy, the client must not make multiple calls to the API layer in a single unit of work requiring a transaction.
这一决定意味着在一个工作周内希腊就回到了原点：11月7日，磋商失去作用之前帕帕季莫斯看上去就已经稳操胜券了。
The decision meant Greece had come full circle in less than a working week: on November 7th Mr Papademos had looked like a shoo-in for the job before negotiations went sour.
用现实的眼光看待你的长相和你的工作。一场严肃的恋爱不会也永远不会是建立在慌言和欺骗上的。如果在你欺骗她迟早你会被人发现那时一切就回到原点了。
A serious relationship has never been, and will never be, rested on lies and deceit. Sooner or later she will discover the truth anyway and there you are back at square one.
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