其测试要求一般取决于其化学特性、规格、用途，以及是原电池还是蓄电池。
Their testing requirements typically depend on their chemistry, size, specific use, and whether the cells are primary or secondary.
球铁V型架的使用比较少，一般使用在规格较小，精度要求较高的V型架。
The nodular cast iron V jig's use are quite few, generally the use is small in the specification, accuracy requirement high V jig.
在一般情况下，差分天线比单端大的人，并要求精心匹配的尺寸，以满足其性能规格。
In general, differential antennas are larger than single-ended ones and require careful matching of their dimensions to meet their performance specifications.
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