其原理是电磁波耦合内部的极化因子并使之高频反转。
This principle is coupling of inner polarization factors with electromagnetic wave.
其原理是根据伴随着染色变化在光化反应中的可逆性。
The principle is based on the reversibility of a photochemical reaction accompanied by a change of coloration.
其原理是，当受害者倒吊下来，大部分的血液将涌向头部。
The idea here is that when the victim is suspended upside down, most of the blood will go to the head.
其原理是动物蛋白和脂肪对单个细胞及整个身体的化学效应。
The basis for this lies in the chemistry of the effects which animal proteins and fats have on the individual cells as well as the whole body interactions.
其原理是生成映象文件保存到一个隐含分区，以达到保护数据的目的。
The principle is that the system creates a mapping file and preserves it on a hidden hard disk partition so as to protect the data.
其原理是根据眼睛或嘴部的外接矩形宽高比及面积判断眼睛及嘴部状态。
The principle is based on the external rectangle ratio and area of eyes and mouth.
其原理是，不同的脑电图描记器读数来自受试者的回忆而不只是了解一件事。
The theory is that a different EEG reading comes from a subject remembering rather than merely knowing an event.
氢气复合器用于去除安全壳中的氢气，其原理是将氢气和氧气结合生成水。
The purpose of hydrogen recombiner is to remove hydrogen from the containment by combing hydrogen with oxygen to form water.
利用火焰探测器来探测火灾，其原理是基于对几种波长的火焰跳动的分析。
The detection of a fire with a flame detector relies upon the analysis of the flame flickering at several wavelengths.
该技术声称是世界首创，其原理是利用电源和电子设备之间的磁场来传递电能。
Claiming to be the world's first of its kind, the technology works on the basis of the transmission of electricity using magnetic fields between the charger and the electronic device.
本实验描述了一种测量铁磁性材料居里点的方法，其原理是观察磁滞回线的消失。
An easier method of measuring Curre Points of ferromagnetic materials has been presented through an experiment. Its principle is to observe the disappearance of the magnetic hysteresis loop.
其原理是将多次微分运算施加于肖像的脸部区域，从而突显出脸部的高亮度分布区。
The principle is to impose multiple differential operators on facial region, which highlights the nearby area of the facial organs and form many high-brightness distribution areas.
其原理是用一种激光装置对每一页扫描得以获取书页的3d图以便用来纠正变形的光束。
A laser device projects lines onto each page that the system can use to recreate the 3-d page model and correct the deformed lines.
其原理是通过直接测定轮带和筒体的回转周期，来自动计算轮带与筒体之间的动态间隙。
While directly measuring the cycle time of the tyre and shell, the dynamic clearance be-tween the tyre and shell can be carried out by some calculations.
其原理是利用抗原抗体的特异结合反应和免疫层析技术，在试纸上出现特定的显色结果。
The theory is to utilize the specific binding reaction and immunochromatography technique of antigen antibody, with specific chromogenic results on test paper.
其原理是铝材(板)芯材与高分子膜在连续高热高压作用下牢固的粘合，形成平整板面。
It can form a plain panel by biding aluminum material and high polymer film together under constantly high temperature ang pressure.
其原理是获得一个默认固件更新镜像，对其进行修改，这样就可以把当用作PXE启动镜像。
The idea is to take a default firmware update image and modify it so that you can use it as a PXE boot image.
其原理是在过氧化氢酶分解反应体系中的过氧化氢放出氧气时，用氧电极检测氧张力的变化量。
The principle of this method is as follows:after a definite quantity of catalase is added to the above mentioned reaction system, in which oxygen will be released.
其原理是用这类装置计算出使用者正在使用的交通工具，从而计算出二氧化碳排放到空气的量。
This then allows the device to work out the method of transport the user is on, and from that calculate the amount of carbon dioxide going into the air as a result.
用测距法能很快又准确地查出故障，其原理是利用积分板占有图像的宽度和板子数量之间的关系。
We can check the trouble fast and accurately. Its principle is based on the relationship between the width of graph possessed by integral plate and the quantity of plates.
目前国内外电厂使用的多为光电式火焰检测器，其原理是分析火焰燃烧时辐射光的强度或闪烁频率。
Nowadays, the photoelectric flame detector is widely used in the power plants. The principle is to analyze the intensity or flicker frequency of radiation.
帕累托法则又称二八法则，其原理是对于大多数事情而言，80%的结果是由20%的原因造成的。 。
Thee Pareto principle (also known as the 80–20 rule) states that, for many events, roughly 80% of the effects come from 20% of the causes.
织机效率和织疵公分数为织机性能和坯布质量预报模型，其原理是通过输入原料指标和工艺参数来预报的。
Loom efficiency and fabric defects are woven quality forecast models, they predict performance of loom and fabric quality based on index of materials and technical parameters.
充分利用油罐本身的承压能力来减少油蒸气排放，其原理是利用阀盘的重量来控制油罐的呼气正压和吸气负压。
Full use of its bearing capacity of the tank to reduce the oil vapor emissions, the principle is to use the weight of the valve plate to control the breath pressure and suction tank negative pressure.
对焦锁定系统已经从点固定改变为面固定，其原理是利用一个圆环及内部为高抗震性而设计的机械结构来实现的。
Focus locking system has been changed from point fixing to surface fixing utilizing a ring and internal mechanical structure designed for high vibration resistance.
文章提出了一种在经济型数控机床上实现等螺旋角圆锥螺旋线的加工方法，其原理是用等导程螺旋线去逼近此种曲线。
This paper presents a method for machining of taper cutting tools with equal helix Angle. The principle of the method is using taper helical curve with equal pitch to approach equal Angle one.
文章提出了一种在经济型数控机床上实现等螺旋角圆锥螺旋线的加工方法，其原理是用等导程螺旋线去逼近此种曲线。
This paper presents a method for machining of taper cutting tools with equal helix Angle. The principle of the method is using taper helical curve with equal pitch to approach equal Angle one.
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