效率测量

The linewidth error of 16-step Fresnel lens is measured and its effect on 16-step Fresnel lens is analyzed.

通过实验测量16阶菲涅耳透镜的线宽误差，分析其对16阶菲涅耳透镜衍射效率的影响。

Based on survey of existing methods, in this dissertation: aimed to the reliability of stereo image matching in digital photogrammetric, a new matching strategy utilized local continuity constraints encoded by triangulation of the well-defined points is proposed; concerned with the inherent efficient, accuracy and size constraint problems of existing topographic structure extraction approach, an efficient, accurate and large scale data adapted approach based on the combination of vector and raster processes are proposed.

在对国内外这方面工作进行总结分析的基础上，针对数字摄影测量立体像对影像匹配的可靠性问题，首次提出了基于良好匹配点三角形约束下影像匹配传播方法；为了解决以往基于邻域操作的地形结构线提取算法效率低下、结果准确性差和处理数据规模限制等问题，提出了适用于大规模规则格网DEM数据的基于矢量、栅格操作相结合的地形结构线快速提取算法。

Ball mill is an important equipment be used to coal pulverization in the coal-fired power plant. The material location is a very important parameter and it influences the ball mills working efficiency. So the measurement of the material location is very important.

球磨机是一种十分重要的制粉设备，广泛应用于火力发电厂等工业场所，球磨机内的料位信息是关系到其运行状态和工作效率的重要参数，因此准确测量料位信息是非常重要的。

This modehave many limitation, such as: read data makes eyes tired easily, so it has impact on dataprecision, and makes measure efficiency grow lower, huge data capacity etc.

这种方法有很多弊端，如：人眼读数容易疲劳，所读数据对精度影响较大，测量效率低，数据处理量大等等。

The photoionization mass spectrum and thephotoionization efficiency curves of the fragment ions are measured.

通过测量各离子的光电离效率曲线，获得了该分子的电离势和所有碎片离子的出现势。

The MLV Series afford design engineers a new compensated millivolt pressure sensor capable of low pressure measurement with improved energy efficiency.

MLV系列为设计工程师，提供了一个全新的补偿毫伏压力传感器的，低压测量与提高能源效率的能力。

He transmission of RIBLL has been studied by experimental measurement and Monte Carlo simulation methods.

利用实验测量和Monte Carlo模拟的方法，研究了RIBLL的传输效率。

Based on studies about current development of Methods of separating meiofauna, a new method is advanced in this paper. A suit of device was designed to Separate meiofauna from benthic sediments sample automatically, accurately and efficiently, which based on the technology of Laser-induced Fluorescence Detection, and used other technologies, such as noctilucence, electronics, biophysics, computer, mechanism, and so on. The scheme of macrocosm, the design of light route, the hardware and software design of the photoelectricity detection system and machine control system, the method of signal processing are introduced, especially the hardware and software design and the method of signal processing.

论文分析了目前国内外所使用的小型底栖生物分离方法现状，并以此为基础，自主开发了一套基于激光诱导荧光技术，并且集荧光化学技术、电子物理技术、光电测量技术、计算机技术及机械技术为一体的小型底栖生物标本自动分离系统，实现了从沉积物样品中自动分离小型底栖生物标本，从而大幅度提高室内小型底栖生物分样的工作效率和精度的目的，并以此完成了大洋协会"十五"攻关项目："小型底栖生物标本自动分离系统研制"。

The influences of pump current on output power and polarization characteristic of the laser are studied.

实验中测量了掺钕光纤的荧光光谱，并就不同抽运电流对激光器输出功率和偏振特性进行了研究，在波长1060 nm处得到了7.5 W的激光输出，斜率效率为56%。

Now its dimensional form and position parameter is measured ordinary by three-dimensional measuring machine.

对于这种工件来说，用三坐标测量机检测的效率很低，只能抽检而不可能逐件检测。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。