Closed loop feedback adopts PID control rule to insure the stabilization of magnification times.
闭环反馈采用PID这种最广泛使用的控制规律，以保证放大倍数的稳定。
Its main advantages are low distortion and high magnification times. In addition, its gain magnitude can be controlled through programming.
主要优点失真小，放大倍数高以及增益大小可编程控制。
The letters are invisible to the naked eye, and can only be read with a medical microscope at 400 times magnification.
这些字母小到用肉眼无法识别，只能用放大400倍的医学显微镜才能看清。
At this magnification, the fabric of space-time becomes grainy and is ultimately made of tiny units rather like pixels, but a hundred billion billion times smaller than a proton.
在这种倍率下，时空的结构变成微粒状，最终由像素一样的微小单元构成，这种微小单元比质子还要小万亿亿倍。
At a size readable at 1000 times magnification, each disc can hold 30, 000 pages of text or images.
罗斯说，这种显微镜文本使用17世纪技术水平的透镜技术，只有放大1000倍以后才能看到，一个镍盘包含了30000页容量的文本或图片。
The method is: print the word, repeat print 10 times, with a magnification of 40 times to see, if coincidence, equipment qualified.
办法是：打印井字，重复打印10遍，用40倍放大镜看，假如重合，设备合格。
Its architectural structure, which is 150 million times the magnification of the nine atomic composition.
其建筑结构，即为放大了一亿五千万倍的九个原子构成。
Its architectural structure, which is 150 million times the magnification of the nine atomic composition.
其建筑结构，即为放大了一亿五千万倍的九个原子构成。
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