The improvement of testing head and the design of signal processing circuit are described in detail. Meanwhile the method of data acquisition and signal processing explored.
详细描述了测头安装部分的改进及信号处理电路的设计，同时阐述了数据采集及信号处理方法。
Objective:To study the improvement in method of testing activities of glycylproline dipeptidylaminopeptidase(GPDA) and its value in diagnosis of gastric carcinoma.
目的：探讨血清甘氨酰脯氨酸二肽氨基肽酶（GPDA）活性测定对胃癌的诊断价值及方法学改良。
With the enlargement of soft - ware scale, software testing becomes more complex. The improvement of software testability is an efficient method to reduce the testing complexity.
随着软件规模的不断扩大，测试工作的复杂性也不断升高，而改善、提高软件易测试性则是降低测试复杂性的有效手段。
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