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。
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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.