Excellent regulation characteristics: V-type valve has a similar inherent equal percentage flow characteristic and adjustable up to 300:1 ratio.

具有出色的调节特性：V型阀具有一个近似等百分比的固有流量特性及高达300：1的可调比。

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It is concluded that the laser constant current source made of the synchronously adjustable tandem constant current tube has high constant current characteristic and protective property.

结果表明，用同步可调恒流管串联式电路制作的激光器恒流源具有很好的恒流特性和保护性能。

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The principle and characteristic of three Angle measurement methods are introduced; digital measurement approach is selected to design adjustable guide vane Angle detection system.

介绍并比较了三种自整角传感器角度测量方法的原理、特点，并选用数字测量计算法实现进气可调导流叶片转角检测系统。

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