油井和气井的压力不稳定测试，包括压降曲线测试和压力恢复测试。
Unsteady testing for oil and gas well includes testing of drawdown curve and build-up curve.
氢渗透曲线测试证明，氢穿透时间和氢陷阱系数明显高于不含钛的钢。
The hydrogen permeation curves indicate that both the hydrogen permeation time and trapping coefficient of hydrogen in the steel with titanium are appreciably higher than that without titanium.
晶体三极管的输入、出特性曲线测试，是模拟电子技术最基本的实验之一。
The test of characteristic curve for input and output of crystal triode is one of the most basic experiments in simulating electronic technology.
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