查询词典 armorial bearings

The nautical techniques of Zheng He's fleet and Columbus' fleet, including their taking a ship's bearings, celestial navigation, meteorology and knowing wind, manipulating sail and using wind, compass and it's rose, nautical chart and map, log and measuring speed, sounding channel and so on, had reached the highest level in the sail time.

郑和船队和哥伦布船队的航海术，包括测定船位术、天体导航术、气象识风术、操帆驶风术、罗盘罗经术、海图地图术、计程测速术、航道探察术等等，都达到了帆船时代迄当时为止最高的水平。由于哥伦布的远航比郑和远航晚了八十多年，故哥伦布的航海术较之郑和又前进了一步。

In order to improve the performance of aerostatic bearing and enhance the reliability of system, the chief works of this paper represents as follows: First, on the foundation of development and present research situation of internal and external aerostatic bearings, this paper summarizes the principle of aerostatic bearing, according to several assumptions of work conditions, two-dimensional Reynolds equation of isotherm compressible fluid is deduced.

为改善气体轴承的性能，提高气浮轴承转子系统的安全性、可靠性，本文进行了如下研究工作：首先，本文在综述了国内、外气体静压轴承的发展历史和研究现状的基础上对气体静压轴承基本原理进行了概述，根据小孔节流静压气浮轴承的工作状况，作了若干假设，在此基础上导出了描述气膜压力场的二维可压缩Reynolds方程。

The elimination of measures: re-school unit concentricity, adjust or replace the bearings.

消除措施：重校机组同心度，调整或更换轴承。

Because of the special structure of conical bearings and existence of spiral groove, conformal mapping and oblique coordinate transformation have been processed for calculated regions of the governing equations.

由于圆锥轴承的特殊结构以及螺旋角的存在，对轴承°的求解域进行了保角变换和料坐标变换。

And the computation of pseudo-random numbers was programmed by multiplying the congruent number with the APDL language used. Taking account of the effects of original errors resulting from manufacture and the different working conditions such as rotating speed and load on the dynamic property of a bearing, the K-S inspection was done to determine the distribution of the data resulting from the virtual test and, consequently, the reliability was calculated with respect to the fatigue failure of bearings.

在此基础上，运用APDL语言实现乘同余数法产生伪随机数的计算程序，综合考虑轴承原始制造误差以及转速、载荷等不同工况对轴承动态性能的影响，对轴承进行多次随机虚拟试验，运用K-S检验法确定所获得的实验数据分布，求取轴承疲劳失效的可靠度。

Particularly applicable to automobiles, motorcycles, electronics, aerospace, oil, bearings and other industries for Rotational Parts of the cylindrical surface, circular face, conical surface, end, grooving and various public and imperial thread bulk, efficient, high-precision automatic processing.

特别适用于汽车、摩托车、电子、航天、石油、轴承等行业对回转体零件的圆柱面、圆弧面、圆锥面、端面、切槽及各种公、英制螺纹进行批量、高效、高精度的自动加工。

Due to My Jack having contra props I will have 8 bearings in total.

由于我的杰克后，孔特拉道具，我将有8轴承在总。

Compared with dissymmetrical engines, the results show that the contrapositive cam engine can balance the axial force with larger torque output and lower loads on shafting bearings.

研究结果表明，虽然对置后发动机轴向长度有所增加，但主轴轴向力能完全平衡，主轴产生转矩大，轴承负荷小，可提高功率。

According to the author's Cotangent relations theorem, bearings-only target tracking with linear motion is achieved.

根据所提出的余切关系定理，实现了纯方位观测的直线运动目标跟踪。

To prevent the loss of oil , place the seals at both ends the crankshaft where it extends through the crankcase .When main bearings are replaced , tighten the bearing cap to the proper tension with a torque wrench and lock them in place with a cotter pin or safety wire after they are in place .

为防止损失的油，放在密封的两头曲轴而延伸，通过曲轴箱，当主轴承更换，收紧轴承盖，以适当的张力与扭力扳手，并锁定他们放在一起特引脚或安全线后，他们都已具备。

Those who loved reading were obliged to send for their books from England; the members of the junto had each a few

那些喜欢看书的人就得从英国购书，讲读俱乐部的的成员每人都有几本。

Three fourths of the earth's surface is covered with water.

地球表面的四分之三被水覆盖着。