孔径

The design scheme was also disserted as the system using the capacitance sensor to measure the aperture of small holes.

论述了小深孔内径电容式测量方法的基本原理，设计了电容式深孔内径测量仪测量小深孔孔径系统的总体方案。

Synthetic Aperture Radar is the more ideal remote sensing tool to survey the range of flood area;SPOT image data is applied to land use classification.It arranges two kinds data and computes the total area and the land use type of flood zone,and excepts to bring humanistic,social and economic data into the flood management system.It can help the operation and development of flood disaster prevention system.

合成孔径雷达为测绘洪水区域范围较为理想可行的遥测工具；而SPOT卫星影像资料则是应用于土地利用分类上，以GIS整合两种资料并计算出洪泛区域之总面积及其土地利用形态，期能将人文、社会及经济等资料纳入洪水管理体系之发展，有助于水利防灾整套系统之运作。

In this experiment, the size of the maize straw powder and the fermenting treatments of compost were studied.

在玉米秸栽培灰平菇的试验中，对玉米秸的粉碎粒度，发酵处理方法以及适合玉米秸栽培的灰平菇品种的筛选都做了系统研究，结果表明，以孔径 1 5mm筛子粉碎料的效果最佳；发酵料料水比为 1 ：1 。

Methods The shape and diameter of the apical lateral foramina in 1502 permanent teeth were observed under the XTL-2 stero-microscope.

采用XTL-2型连续变倍体视摄影显微镜，对1 502个恒牙根尖部出现的230个侧孔的形状和孔径进行观测。

The occurrence of the apical lateral foramina is 15.31%(230/1502).Conclusions The apical lateral foramina are found in 1/7 of 1 502 permanent teeth.

恒牙根尖部侧孔的孔径为根尖孔的一半，并约有1/7的恒牙出现根尖部侧孔。

The porosity of composite material increased from 79% to 85.3% by the addition of allogeneic bone granulates.

扫描电镜结果：不同材料的截面孔隙结构相似，孔径为50～200μm，孔隙连通性好。

Materials and methods: The method of the electron grid therapy is to place a cerrobend grid on the end of an electron cone. Film dosimetry was used to measure the relative surface optical density and depth profile of grided electron beam with energies of 6 to 14 MeV.

材料与方法：使用底片测量术的方法，观察当15×15cm^2铅合金网眼板上的网眼孔径大小(d=0.45， 1.0， 1.5 cm)、网眼之间的间隔宽度(s=0.4， 0.2cm)不同时，以不同能量的电子射束(6、8、10、12、14 MeV)照射剂量50 M.U。，对底片的相对表面平均光密度及深度等光密度曲线分布情形所引起的变化。

Synthetic aperture radar enhances radar's information acquisition capability and information awareness ability by obtaining high resolution imageries.

合成孔径雷达成像可以获取高分辨率的图像，它提高了雷达的信息获取能力和信息感知能力。

Corresponding to the problem of being unable to remove terrain scattered jamming from the domains of time,space and frequency,this paper proposes an anti-jamming method based on jittering slope polarity of Linear Frequency Modulated signal and limiting processing.

中文摘要：针对合成孔径雷达系统面临的场景散射等干扰无法使用传统时、空、频域技术抑制的问题，提出了一种基于线性调频信号调频斜率极性捷变和限幅过程相结合的抗干扰方法。

A simple model is proposed for the concentric-cylindrical lamellae, which gives a reasonable description of the layer thickness.

并且，我们提出了一种简单模型用来描述对称双嵌段共聚物形成的同心层结构的厚度随孔径的变化。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。