double angle formula
double angle formula 双语例句
This paper probes into some difficult problems about geothermal field simulation of basins and their solving method:(1) From the angle of equilibrum and wreck of underground thermal state, the authors adopt the concepts of normal geothermal field and appended geothermal field to describe the contribution of normal crust-mantle convection to the geothermal field and the contribution of magmatic intrusion to geothermal field respectively; (2) The authors try to discuss the method of gaining the thermal flow value about basin bottom, that by using analyzing paleo-geothermal structure, and also try to discuss the availability of empirical formula for burial depth of Moho surface which is established on the basis of the relationship of inverted image between basin bottom and Moho surface in gravity compensated area; and (3) Based on the relation curve among thermal conductivity, lithologic characters and earth temperature provided by Ungerer etc, the authors establish an empirical formula about the thermal conductivity of rock through double regression.
作者从地下热流状态平衡与破坏的角度出发，用正常地热场的概念来描述常规上地幔热流对地热场的贡献，而用附加地热场的概念来描述岩浆侵入等事件对地热场的贡献；讨论了采用地壳热结构分析来获取盆地基底热流数值的方法，以及根据重力补偿地区的盆地基底与莫霍面的倒影关系所建立的莫霍面埋深经验公式的有效性；以Ungerer等提供的岩石热导率与岩性、地温之间的关系曲线为基础，采用双重回归方法建立了岩石热导率的经验公式。
Firstly, this paper discusses the development actuality of the research on double-front axle steering system and power-train of automobile. Based on the structure of the design experiences from others, the kinematics formula of double-front axle steering system is fetched, and the mathematical model of optimization design of double rocking arms mechanism and steering trapezium mechanism is established by space geometry method. Considering the difference between the real steering angle from wheels and the ideal steering angle from the ideal formula as the objective function, the optimization design method of double-front axle steering system is presented.
本文首先论述了国内外对汽车双前桥转向系统和动力传动系统研究的发展状况，在总结前人研究设计经验的基础上推导出汽车双前桥转向系统运动学关系，运用空间几何法建立了双前桥双摇臂机构及转向梯形机构优化的数学模型，以转向轮实际转角值与理想公式求出的理想转角值之间的误差达到最小为目标函数，提出了双前桥转向系统参数的优化设计方法。
Double angle formula can transform the circular function equation to a biquadratic algebraic equation, and the analysis solution can be solved by extract equation directly.
用倍角公式可将该三角函数方程转化成一个四次代数方程，然后用求根公式直接求出解析解。
The determination method of overturning limit angle of the bus with double rear wheels was analyzed and the calculation formula of height of mass center and overturning limit angle for lowering body height was given.
本文分析了双后胎车辆的翻倾角的确定方法，导出了降低车身高度后的质心高度和翻倾角的计算公式。
According to the formula by reasoning, the maximum inclined angle of the actual HDPE double floating frames submergible cage, which is practical in China, and whose perimeter is 40 meters, was calculated. The value is 31.29 °.
据此，计算出国内常用的周长40m的HDPE双浮管圆形升降式网箱的最大沉降倾角为31.29（°）。
Filght path track of vigoroso mobile target by double Kalman filter is that position and moved parameter of mobile target measured by non-inertial coordinate system is transformed into right-angle coordinate to calculate filter according to coordinate axis and deviation formula for measure.
作者：李永成，李文才，刘钢分类：装备与武器上传者：ZCOM网友作者单位：（中国兵器工业第58研究所军品部，四川绵阳 621000）摘要：双重Kalman滤波的强机动目标跟踪，是将非惯性坐标系测量的机动目标位置和运动参数，按坐标轴和测量偏差公式转换为直角坐标进行滤波计算。
So, if you do, again, the double angle formula, I think I'm not going to bother to do it.
还是得用二倍角公式，在这里就不继续算下去了。
double angle formula
相关单词辨析
这组词都有“角”的意思，其区别是：
corner: 多指物体的棱角或房间、街道的角落。
angle: 几何学上的用词，指两条直线相交而成的角。也可引申指看问题的方面或角度。
这组词都有“方面”的意思，其区别是：
aspect: 着重以特定观点对事物进行观察或考虑。
side: 可与aspect和phase换用，但更着重构成事物全貌的一个或多个方面。
phase: 指可以对事物进行观察或描述或考虑的任何方面。
angle: 专指从某一角度去观察、考虑事物的某个方面。