The integrated system is deployed on U.S. Navy MH-60R multi-mission helicopters whose principal mission is to protect the fleet from submarines and surface vessels.
该系统部署在美国海军的MH-60R多任务直升机上，其主要任务是保护港口的潜艇和水面舰艇。
The principal mission of the MH-60R multi-mission helicopter is to protect the fleet from submarines and surface vessels and provide a maritime strike capability.
MH - 60r多任务直升机的主要任务是保护潜艇和水面舰队，并提供海上打击能力。
Plenty of oxidation etching pits are found on the surface of the specimen after the thermal fatigue test, and the surface principal crack is prone to propagate through these etching pits.
实验结果发现，试样表面出现大量的氧化腐蚀坑，表面主裂纹优先通过这些腐蚀坑扩展。
These operations typically require the inspection of surface adjacency pairs of octants in three principal directions.
这些操作典型地需要检查线性八元树中诸八分体在三个主方向上的面邻接对。
Since the existence of embedded rotation surface with given principal curvature function is well proofed, the design and modeling of the surface becomes possible.
由于给定主曲率函数的嵌入旋转曲面存在性已得到较好证明，故使得曲面的设计成为可能。
Through the numerical analysis, it is posed that the structure surface stress gradient and the coating thickness are the principal factor that influence thickness effect.
通过数值分析提出，构件表面应力梯度和贴片厚度是影响厚度效应的主要因素。
The area with the simultaneous higher surface strain, principal compressive strain, shear strain and tendency accumulation might be the place with higher risk of strong earthquakes.
面应变、主压应变、剪应变和趋势累积率同时较高的地区，强震危险性较大。
Aquatic granula is a generalized conception in environmental aquatic chemistry. One of the research focuses is the principal of surface complexation and the quantification models.
环境水化学研究中，水体颗粒物具有广义概念，研究的焦点之一就是表面络合原理及其定量计算模式。
Wear-and-tear is one of principal inactive forms of metallurgical spare parts. The laser reinforcing treatment of metallurgical spare parts surface is a new starting process in our country.
磨损是冶金备件主要的失效形式之一，用激光对冶金备件表面进行强化处理是目前国内刚刚起步的一项新工艺。
The problem to determine the principal axis of quadratic surface is summed up to be that of finding the stop point of J-function.
并将确定二次有心曲面的主轴问题，归结为求J函数的逗留点问题。
Water at the surface and constitutional water are two principal forms of water presence in kaolin. Their behaviors reflect to a good extent the constitution and surface state of kaolin.
表面水和结构水是高岭土中水的两种主要存在形式，它们的行为在很大程度上反映了高岭土的结构和表面状态。
The direction of the major principal stress in a region remains the same from tens of meters to 4000 meters below surface.
一个地区的主压应力方向在地下几十米至4000米大体是一致的。
The thickness of oxidized film is a principal factor which influences the pore-sealing and dyeing uniformity of aluminium products' surface.
氧化膜厚度是影响铝材表面封孔和着色均一性的主要因素。
The surface roughness in mill machining relates to quiver of work piece, principal axis's eccentricity, cutter abrasion, cutter distortion and other physical or geometry factors.
铣削加工表面粗糙度的形成与铣刀和工件振动、主轴偏心、刀具磨损、刀具变形等物理和几何因素有关。
It turned out to be the surface antigen, or immune-response trigger, for hepatitis b-a principal killer among the world's diseases, and a chief precursor of liver cancer.
这就是乙肝表面抗原，也就是免疫反应的触发物质。乙肝是世界疾病谱中的头号杀手，肝癌的首要病因。
Stability method based on slip surface FE stress and shear strength reduction method are two principal methods for FEM slope stability analysis.
基于滑面上应力分析法和强度折减法是边坡稳定有限元分析方法中两类主要的方法。
The principal mechanism of formation of silicon nitride layer on iron surface is described, and variety of production processes and influence factors are reviewed.
综述了钢铁表面形成氮化硅薄膜的基本过程，各种制备方法、特点及影响因素。
Principal directions of a rotational surface were mapped to Gaussian sphere in the algorithm, and principal direction Gaussian image(PDGI) was generated.
该算法对旋转面主方向映射到高斯球面，生成主方向高斯图像（PDGI）。
According to the equation of asymptotic curves, a family of nonlinear asymptotic curves are given to the principal normal surface.
根据渐近曲线的方程，具体给出主法线曲面的一族非直线的渐近曲线。
The research involves the measurements of the sum of principal stresses in a perspex model, gas temperature fields in 2D and axisymmetric cases, 3D surface shape and 3D displacement field.
有机玻璃模型中主应力和的测量，二维气体温度场和轴对称气体温度场的测量，三维物体表面形状和三维位移场的测量。
The ceramic vessel is the principal part, whose external surface is equipped with metallic protective shell.
所述陶瓷容器为主体，在 陶瓷容器的外层设有金属防护外壳。
The results for the centre of gravity position and principal axes are presented relative to the surface of the moving table.
重心位置和主轴用相对于运动台表面来表示。
The principal problems with respect to roll working life are cracking at the surface of roll for hot-rolling and that effective zone of quench-hardening of roll for cold-rolling is too narrow.
热轧工作辊的裂纹损坏和冷轧工作辊有效淬硬层过浅是两大突出问题。
And the basic principal has synthesized and the self-repair pottery surface appearance was discussed.
并对合成的基本原理和形成自修复陶瓷层的组织形貌进行了分析研究。
According to the forming principal of spherical surface, inner spherical surface of the spherical hinge is formed utilizing the circular motion of work piece and milling cutter.
根据球面形成原理，利用铣刀和工件的两个圆运动，合成球头碗的不完整内球面。
According to the forming principal of spherical surface, inner spherical surface of the spherical hinge is formed utilizing the circular motion of work piece and milling cutter.
根据球面形成原理，利用铣刀和工件的两个圆运动，合成球头碗的不完整内球面。
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