所以只要容器内SF 6气体不发生泄漏，其密度不变化。
So the SF6 gas does not occur divulges, its density does not change.
假设你被缩小到一枚硬币那么大，你的质量也同比例缩小以保持你的密度不变。
You are shrunk to the height of a nickel and your mass is proportionally reduced so as to maintain your original density. You are then thrown into an empty glass blender.
现有技术中的阀门不能根据液体的密度变化控制阀的开启状况，从而保持液体的密度不变。
In available technology, there is no valve with controlled opening based on the density of liquid to maintain unchanged liquid density.
ISTP团队的研究表明，在经历了几十年的衰退后，城市人口和工作密度在20世纪80年代上升或保持不变。
The ISTP team's research demonstrates that the population and job density of cities rose or remained constant in the 1980s after decades of decline.
行业一般支持一种或另一种LOC作为大小的指示，如根据每L OC的缺陷计算的几乎不变的缺陷密度所示。
The industry has generally favored LOCs of one sort or another as an indication of size, as shown by defect density almost invariably calculated as defects per LOC.
如果密度是不变的，就可以取之为。
温度不变，空气的密度和压力成正比。
The density of air varies directly as pressure, with temperature being constant.
如果人体组织和电极之间的有效接触面积保持不变，那么高频电流强度扩大一倍将会使电流密度增大一倍，并产生四倍的热量。
Doubling hf-current results in a doubling of current density and a fourfold heat provided that the area of effective contact between the tissue ang the electrode remains constant.
当温度不变时空气的密度同压力成正比。
The density of the air varies directly as pressure with temperature constant.
随着床层高度的增加，所需风压及功率增大，膨胀率有所降低，而床层密度的稳定性和起始流化气速几乎不变。
With increase of bed height, air pressure and power consumption rise, expansion ratio of the bed decreases, but the density stability and critical fluidized velocity of the bed are hardly changed.
即使压力不变，气温的变化也能引起空气密度的巨大变化。
Even when the pressure stays the same, great changes in air density are caused by changes in temperature.
当等离子体透明时，几乎没有光压作用在等离子体上，因此电子密度几乎不变。
The electron density hardly changes because there is no light pressure acting on the plasma layer when the plasma layer is opaque.
理论认为当储层中存在着天然气时，会导致纵波时差增大，横波时差不变，密度测井值减小，中子孔隙度减小。
Theoretically, when gas exists in reservoir, longitudinal wave offset time will increase and transverse wave offset time will not change and density will decrease and neutron will decrease, too.
在压力不变的情况下，在高温下的聚合物的密度比在低温下的要低得多。
AT high temperATures, the density of a polymer is considerably lower than AT room temperATure, provided the pressure is the same.
在90、180、480日龄，鸡间脑内胆碱乙酰转移酶免疫反应阳性产物密度具有五种变化趋势：①保持不变的仅有内侧缰核；
There were five kinds of changing tendency of the density of ChAT-IR positive products in 90,180 and 480 days chicken.
通过不变量算子的产生和湮灭算符，得到波函数和几率密度。
The wave function and probability density are obtained by the creation and annihilation operators of the invariant operator.
若温度不变，则空气密度的变化与压力乘正比。
Thee density of air varies directly as pressure, with temperature being constant.
未服用芳香化酶抑制剂的妇女脊柱骨密度保持不变，全髋关节下降1.2%。
Women in the placebo group, not on an aromatase inhibitor, maintained BMD at the spine, but had a significant 1.2% loss at the total hip.
由于纳米管的密度很低，它没有加重底板丝毫的重量，从而成就了一块速度更快但是重量却不变的底板。
Because the density of the nanotubes is so low, they do not add any substantial weight to the blade. The blade is thus faster without being heavier.
然而，默多克大学科学与技术研究所的研究小组的研究证实了城市人口和工作密度在几十年的下降之后从二十世纪八十年代以来反而增长或保持不变。
However, the ISTP team's research demonstrates that the population and job density of cities rose or remained constant in the 1980s after decades of decline.
为保证绝缘子获得较高致密度而不变形，应尽量提高生坯密度，同时排蜡温度应低于该种玻璃的转变温度上限。
To insure more densification but deformation of glass beads, the green density should be increased, and the burnout temperature of binder should be below the toplimit of transformation temperature.
在任何载流子密度条件下，辐射强度与准费米能级差的关系保持不变。
At all carrier densities, the relation between emission intensity and difference of the quasi Fermi energies is maintained.
机器采用优质型钢焊接而成，并经过时效热处理，使机器强度高，不变形，能承受高密度制品的膨胀力。
Since this machine is made of high quality profiled bars under the timely heat treatment, so it can bear expansibility of high-consistency products without transmutation and have a high-intensity.
生产的橡胶木板均采用泰国优质木材--泰国橡胶木，材质密度好，木纹清晰，干湿度在8-12%，不变形；
Production of rubber wood are high-quality timber in Thailand - Thailand's rubber wood, material density, and grain clear and dry in the 8-12% humidity, non-deformation;
主要表现为脑皮质密度弥漫性减低，而脑干、丘脑、小脑半球密度保持相对不变。
There is diffuse decreased attenuation of the cerebral cortex with a relative preservation of density in the thalami, brainstem, and cerebellum.
主要表现为脑皮质密度弥漫性减低，而脑干、丘脑、小脑半球密度保持相对不变。
There is diffuse decreased attenuation of the cerebral cortex with a relative preservation of density in the thalami, brainstem, and cerebellum.
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