speed variation test 中文意思是什麼
speed variation test
解釋
變速試驗-
Provide automatic test function of fiber diameter, directly observe fiber configuration on screen, and display the actual diameter of all fiber on - time. fast test speed, simple operation, and reduced personal error. automatically compute mean diameter, coefficient of variation and standard deviation of the tested fiber, the tested date can be printed out by excel
提供了纖維直徑自動測量功能,可直接在顯示器上觀察纖維形態,實時顯示每根纖維的實測直徑;測量速度快,操作簡便,減少了人為誤差;可自動計算已測纖維的直徑平均值、變異系統和標準差,測試數據可以excel報表形式列印輸出。 -
A test on pressure variation in tunnels with high - speed trains passing through
高速列車通過隧道時隧道內壓力變化的試驗研究
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