时角

格林尼治平太阳时角

Greenwich hour angle mean sun

太阳时角变化对固定条形镜面聚光器焦线位置的影响

The influence due to change of solar hour angle in the position of focusing line for faceted fixed mirror solar concentrator

其二，有些奶牛生病时角就脱落了；

Some cows lose their horns if they are sick .

提出一种多张曲面相交于一点时角点处的过渡技术。

A blending technology for vertex of multi-surface is presented in the paper .

其方法主要采用两种方式：时角法和弧长法。

The method mostly use of two modes that are time angle and arc length .

力矩突变时角动量变化规律的实验演示与分析

Experimental demonstration and analysis of angular momentum variation when moment of force is suddenly changing

近海边的地面坡度很大。坡面日出日没时角的配置关系与坡向坡度

The match relations between sunrise and sunset hour angles of slope surfaces with slope azimuth and slope gradient

逐段线性加载面等向强化时角点处塑性应力应变关系

The Stress and Strain Relation of Plasticity on the Corner of the Piece-Wise Linear Loading Surface under Isotropic Hardening

本文根据某工程的实际需要建立了一个地形可视化系统，并对太阳时角地形造影（阴影）进行了分析计算。

Base on the actual requirements , this paper is focus on design of a terrain visualization system and calculation on terrain shadow .

根据坡面日出日没时角配置关系及其变化规律，坡面的可照时间可根据不同的情况用一组具体的计算公式表示。

According to the formula to calculate the everyday insolation-duration , it is possible that the everyday insolation-duration on slope is equal to zero .

客厅中，船长在地图上记了方位，按合时计来算经度卜同时他拿从前做的时角观察记录来校对。

There the captain fixed his position and used a chronometer to calculate his longitude , which he double-checked against his previous observations of hour angles .

坡面日出日没时角的配置关系与太阳赤纬

Of summer nights in northern latitudes where the sun barely sets . Match Relations Between Sunrise and Sunset Hour Angles of Slope Surfaces and Solar Declination

推导出了方位角手动跟踪和极轴时角手动跟踪方阵面上曝辐量及辐照度的计算公式。

In this paper , the mathematical formulas for estimating the hourly and daily radiation received on the plane of manual azimuth tracking and hour angle tracking are derived .

利用计算机完成天文定位中的太阳赤经、赤纬、太阳格林时角、春分点格林时角、测者地方时角的计算。

How to complete the calculation of sun declination , sun right ascension , sun greenwich hour angle , greenwich hour angle of aries and sun local hour angle in Astronomical Position .

给出高斯入射束反射时角位移直接计算式，适用于任意入射角和反射介质有吸收的情况。

Directly calculating expression of angular shift of a Gaussian beam reflected by absorbing medium interface is given , which can be applied to any incident angle and does not diverge at Brewster angle .

时角法是采用恒星视位置的计算公式，通过光电经纬仪瞄准并测量，然后与理论计算的真值进行比对，从而求出光电经纬仪的指向误差。

Time angle make use of account expressions of true pointing of star through pointing with electricity optical phototheodolite and compare with true value of theory and finally calculate the error of pointing of electro optic phototheodolite .

对导引头角跟踪回路进行了仿真和分析，从跟踪回路的跟踪性能、参数变化对回路性能的影响、考虑射手模型时角跟踪回路的性能、隔离度测试等方面进行了分析和验证。

The modeling simulation and analysis is focused on the performance of the tracking loop , the influence of the parameter variety , the performance of the tracking loop when considering the shooter model , and isolation degree of the test .

汽车覆盖件成型模试模调整时R角不良问题处理重力对板材滚弯成形半径的影响

The Effects of the Gravity on the Plate Roll Forming Radius

当物体在点D时，角动量为，φ0，times，the，sine，of，phi，zero。，这是在点D的情况。

When the object is at D , the magnitude of the angular momentum is m sin This is the situation at D.

特别是使用了MATLAB程序处理数据，得到南北水平轴跟踪时跟踪角和太阳时角间的关系图像，着重分析了此时采取混合跟踪的可行性和适用性。

By using MATLAB to deal with data , the figures of relations between hour angel and the tracking angle of horizontal N / S tracking can be worked out , and at this time feasibility and applicability of hybrid tracking control system are analyzed .

结果显示，当UVA照射剂量达到27J／cm2时，角朊细胞的多种抗原成分表达下降；

The results showed that the expression of multiple antigenic components of the keratinocytes decreased at the intensity of 27 J / cm 2 UVA .

利用此实验系统，在可调磁场下，对两种光通信用磁光晶体BiCaInVIG和GdYBiIG垂直入射与斜入射时旋光角的变化进行了测试。

In the system , the rotation angles for two types of magneto-optic crystals ( BiCaInVIG and GdYBiIG ) used in optical communication system have been measured at oblique incidence .

给出了位移反向时入射角及介质板的厚度所需满足的必要条件；

Necessary conditions were advanced for the GHL displacement to be backward .

板料成形时绕角应力的分析

Analysis on Stress around the Die Corner in Sheet Forming

双光束法测速度时测量角产生的影响

Influences of Measuring Angle on Double - Beam Measuring Method

在四辊孔型中轧制时中性角的确定

Determination of a neutral angle during rolling in four-roll passes

体全息光栅偏移布拉格角读出时衍射角的测定

Experimental determination of the diffraction angle of volume holographic gratings under off-bragg condition

机动飞行时安装角对转子叶片振动的影响

Influence of installation angle on vibrations during maneuvring flight

定位销任意边接触时的角向定位误差计算

The Calculation of Angular Error of Location on Condition of Arbitrary Edge Contact

吸积盘与恒星在星云盘中形成时的角动量损失

Accretion Disk and Angular Momentum Loss During Formation of a Star in the Nebular Disk