查询词典 damping-off

The chaotic planar motion of rigid spacecraft on an elliptic orbit in the gravitational field with air drag and internal damping and its control are investigated.

研究万有引力场中受大气阻力且存在结构内阻尼的非自旋航天器在椭圆轨道上平面天平动的混沌及其参数开闭环控制问题。

By simplifying air spring mechanics model, We analyze the damping characteristics for air spring suspension system of single degree of freedom, then educe optimal damp of air spring suspension with throttle hole under various situation and optimal diameter of throttle hole. The capability opinion guideline of air spring suspension system is analyzed.

通过简化空气弹簧的力学模型，对单自由度有阻尼空气弹簧悬架系统的阻尼特性分析，得出带有节流孔的空气弹簧在各种工况下的最佳阻尼及节流孔的最佳直径，并分析了空气弹簧悬架系统的性能评价指标。

Have the crisp air implement , crisp air agent , air damping thereupon right away

只有清新的自然风才是纯净和符合人体需要的，"通风比消毒还有用"，这恐怕是很多人意想不到的。

A term is added to account for the effect of airflow through the slots on the air damping of the plate. The end effect of the airflow in the slots is also treated by substituting an effective channel length for the geometric channel length (i. e. the thickness of the plate).

该方程与传统雷诺方程的区别是在雷诺方程的左边增加了一个用以表示气体从槽流出所引起的阻尼效应的修正项，并考虑了槽中有限气流通道长度的端头修正。

The cover plate constructed in this way reduces disk vibration due to air damping effects resulting from a narrow gap between the disk and the cover plate while suppressing noise due to the presence of the abruptly expanded portion.

以这种方式构成的盖板由于盘片和盖板间的间隙产生的空气减振效果，减少了盘片的振动，同时由于设置有突扩部分，降低了噪声。

While encapsulating RF MEMS switches in low vacuum diminishes the air damping and improves the switch speed and operation voltage, the performances of a switch is incident to being influenced by outside environment.

可见，RF MEMS开关用低真空封装可以减小空气阻尼、改善开关速度和执行电压的同时，开关的性能却容易受外界环境因素的影响。

Both viscous damping and air drag force must be introduced into the dynamic models. The experiment is carried out in the single-axis air-bearing test bed according to the experiment scheme in chapter 3. The results demonstrate the validity of the developed model, while the conventional zero-order approximate approach could lead to bad results for some high speed cases.

结果表明了传统零次近似方法在某些条件下已不能正确描述柔性体的刚柔耦合动力学性质，而一次近似的刚柔耦合动力学模型得到的结果与实验相符，从而证实了一次近似耦合模型的正确性和可靠性。

According to resonant principle, a suitable resonant chamber is designed for intake system. The low frequency sound pressure level is decreased in the body. The high frequency noise is improved through damping air filter brace.

因此，采用共振消声的原理，设计了合适的共振腔，降低了低频噪声成分，并采用阻尼降噪技术，对空气滤清气的支架进行了处理，降低了高频噪声成分。

Perforated circular holes on backplate are laid out as hexagon to adjust air squeeze-film damping between diaphragm and backplate.

底板采用铜电镀技术制作，底板上呈蜂窝状分布的圆形通气孔用来调节敏感膜与底板间的空气压膜阻尼。

XEIKON7000-cards and membership cards to make part of the structure is simple, easy-to-maintain, and per-machine working time, taking into account the need to maintain it, can be divided into six-level maintenance, where normal operator only grasp between one and three-level maintenance method, based on practical experience, to clean the drum heads and maintenance requirements for higher because it is directly linked to the longevity of the disk head and the head drum as well as business card printing and membership card making, due to the quality of the manufacturer does not take into account the humid climate in mainland China, as well as workshop at room temperature, so take extra care equipment and supplies for bypothermia dampproof, included in the device is not working, we need to use the air conditioning plant damping, the device at room temperature observed to stop working.

XEIKON7000的制卡和会员卡制作部分结构简单、易于维护，按机器工作时间的长短，其需要维护的部分不同，可分为六级维护，其中普通操作员只要求掌握一至三级维护的方法，根据实际操作的经验，对磁头和磁鼓的清洁维护要求较高因为其直接关系到磁头和磁鼓的寿命以及制卡和会员卡制作品的质量，由于制造商没有考虑到中国大陆潮湿的气候以及车间的室温，所以要特别注意设备和耗材的降温防潮，包括在设备工作时，也需要使用空调对车间进行降温，设备在室温过高时会停止工作。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。