You want to minimize the points of contact between your program and the database so that if you change systems at some point, the change is actually feasible.
需要使程序与数据库之间的联系点尽可能少，以便在某个点更改系统时，可以顺利进行更改。
217what points of contact existed between these languages and between the peoples who spoke them?
217这两种语言之间以及使用这两种语言的两个民族之间，存在过哪些接触点？
Tendons may also be external to the structure with points of contact occurring at deviators and anchorages.
钢筋束也可能在结构外部，在转向块和锚固上有连接点。
I don't know if you know how a spark plug works, but for the electrical current to fly into operation in a spark plug, the two points of contact have to be gapped.
我不知道你们是否知道，火花塞是怎样工作的，在电流通入火花塞中使它运转之前，两个接触点之间需要有空隙。
I don't know if you know how a spark plug works, but for the electrical current to fly into operation in a spark plug, the two points of contact have to be gapped.
我不知道你们是否知道，火花塞是怎样工作的，在电流通入火花塞中使它运转之前，两个接触点之间需要有空隙。
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