preliminary test

基本解释

Earlier this week, Turkish authorities had ruled out avian influenza in these cases based on preliminary test results from samples taken from the nose and throat.
本周早些时候，土耳其当局根据对采自鼻和喉部的样本进行初步检测的结果在这些病例中排除了禽流感。
Preliminary test results indicated that the accelerometer has better frequency response well above the resonant frequency, and the output signal is in correspondence with the input.
初步测试结果表明，检波器在共振频率以上有较好的频率响应，输入信号与输出信号吻合得较好。
To increase recovery of high carbon ferrochrome, the effecting factors of chrome contents in slags were analysed, and the preliminary test of adding waste magnesia brick and magnesite were conducted.
为了提高高碳铬铁的回收率，分析了影响渣中铬含量的因素，并通过配加废镁砖和菱镁矿作了初步试验。