查询词典 increase and decrease

Because the specific impulse of electric propulsion is ten times more than the chemistry propulsion, it appears very important in the application of satellite attitude control and station keeping, aerocraft deep space exploring and interstellar travelling. It can increase the payload and extend life, decrease the passive weight.

由于电推进的比冲比化学推进比冲高出一个数量级，因而在卫星姿态控制、位置保持以及空间飞行器深空探索、星际航行的应用中有重要意义，它或可以提高有效载荷、延长寿命，或可以降低消极质量。

The optimized design for knife disk of a mobile wood chipper was provided in order to improve the cutting performance and decrease the self-weight of the chipper, therefore to further reduce the energy consumption and production cost,and then increase economic efficiency.

介绍了在设计移动式小型卧式枝桠削片机的过程中，对削片机切削性能和自身质量影响较大的刀盘进行优化的情况，为刀盘改进提供一定的理论依据。优化设计后减少了能耗，降低了生产成本。

A tighter triangle and less distance between the bicycle frame and the tires acts to decrease the resistance of wind and road for a racer, as well as to increase the bike's ability to respond to the quick, minute maneuverings road racing requires.

更严格的三角形和少之间的距离自行车框和轮胎的行为，以减少阻力风和道路的车手，以及提高自行车的能力，应对迅速，分钟maneuverings赛车需要。

Because the price of photovoltaic cell is expensive and conversion efficiency is low presently, the Maximum Power Point Tracking is absolutely necessary, in order to decrease system cost and increase efficiency, The paper focuses on the stand-alone photovoltaic system and analyzes it with theory.

本文以独立光伏发电系统为研究对象，对其进行了理论分析，从系统的参数选择、拓扑结构、控制策略、最大功率跟踪及蓄电池的保护等方面作了详细的分析和研究。

Increase in the initial biomass of G. lemameiformis decrease the maximum cell densities of C. curvisetus, S. costatum and S. trochoidea.Nutfient and illumination competitions between G. lemameiformis and the three microalgae were noticed.

随着龙须菜起始密度的增加，旋链角毛藻、中肋骨条藻、锥状斯氏藻生长所能达到的最大密度与对照组相比均有所下降，其受抑制程度随着龙须菜起始密度的增大而增强。

It is shown that its working frequency and linear growth rate are higher than thatof common Cerenkov FEL,and for the same injection current,the linear growth rate of thissvstem and common Cerenkov FEL either decrease with increase of the gap between the dielectricand electron beam or there is an optimum gap value corresponding tO the maximum growth rate.

发现在入射电流和波导结构一定时，该系统和普通切伦柯夫自由电子激光器的增长率并不是随随电子束与介质的间距的增加而减小，而是存在一个最佳值。

With an increase in Ca and La contents, the dramatic decrease in Curie point T〓 of films and ceramics was observed, and at the same time, the crystalline phases underwent the transformation from tetragonal into cubic phase.

随掺Ca和La量的增加，薄膜和陶瓷的居里温度T〓显著降低，晶相也由四方向立方相转变。

It was found that deficient or excessive soil moisture led to increase in abscission of squares and bolls and decrease in fiber quality.

研究发现，土壤水分不足或过大，均易造成蕾铃脱落增加和品质下降。

The presented method can make the field workers monitor drilling process in time,which will decrease accident rate and drilling cost,and increase drilling efficiency.

能否在程事故发生的早期，给出某种程度、某种意义上的警或警示，对于预防和控制事故的发展，最大限度减少损失，具有重大意义。

The spacing triangulation was achieved by restricting the angle between two adjacent triangle's normals, which can decrease or increase the data efficiently, varying with the surface's curvatures, added to the optimizing local triangulation, and uniform and smooth triangulation are obtained.

该方法从插值曲面的形状变化来考虑，根据空间离散点曲面的曲率变化有效地剔除或增加离散点，实现了离散点曲面的疏密三角网格划分。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。