英语语法分析

It is quite possible that this calibrater can replace existing instruments of same types because of lot of its advantages.

由于这种仪器的种种优，点，它很有可能被用来取代已有的同类型仪器。

Before choosing the calibrater, you must synthetically analyse the uncartainty, the accuracy, the traceability, the maintain, the environment of the calibrater and make the reasonable selection.

选用过程仪表校验仪器必须对其可靠性、精度、溯源性、维修、环境条件进行综合分析，做出合理的选择。