重心

Differential matrices are obtained on the element in accordance with continuous intervals of discontinuous boundary value problem to divide the computing elements and approximating unknown function on the element in term of barycentric Lagrange interpolation.

按照间断边值问题的连续区间划分计算单元，在每一个单元上采用重心Lagrange插值近似未知函数，得到每一个单元上的微分矩阵。

The linear vibration problems under periodic exciting force and general exciting force are numerical analysis by barycentric Lagrange interpolation collocation method.

利用重心Lagrange插值配点法分析了周期激励和一般激励下线性振动问题。

Obtaining the displacement of vibration, the velocity and acceleration are directly computed by differentiation matrices. The period of nonlinear vibration is computed by barycentric Lagrange interpolation collocation method.

计算得到振动位移后，采用微分矩阵和重心Lagrange插值计算非线性振动的速度、加速度和振动周期。

Barycentric rational interpolation collocation method ; rectangular plates ; free vibrations ; differential equation

重心有理插值配点法；矩形板；自由振动；微分方程

Since Reformation and Opening , modern industry , service industry and information economy has brought the most rapid moving of economic barye enter .

改革开放以来，现代工业，服务业和知识经济带来了历史上最快速的经济重心转移。

To describe the forces acting on the hip joint, the body weight can be depicted as a load applied to a leer arm extending from the body's center of graity to the center of the femoral head Fig.

为了描述作用于髋关节的力，可将体重看作施加于自身体重心到股骨头中心杠杆臂上的负荷（图7－2）。

Cg = Center of gravity, generally your belly-button is at the bike's cg.

协商小组=重心，一般你的腹部按钮是在自行车的协商小组。

Gas on the surface of Betelgeuse is so far from the center of the star's gravity that the gravitational hold on it is weak and it can easily slip away.

该恒星表面的气体离其重心相当远，这样一来，上面的重力十分微弱，它就可以轻易逃脱。

During this period, British foreign strategy took a turn, Bevin was forced to give up the vision of "the third force", which meant one group between two Superpowers, and turned his focus from west Europe to the other bank of the Atlantic Ocean.

在此期间，英国外交政策取向发生了重大转变，贝文被迫放弃了对"第三种力量"的寻求，把战略联合的重心由欧洲转向大西洋彼岸。

Beyond the standard quick trips to summits, the inevitable ties with the United States and a military commitment in Afghanistan he inherited from his Liberal predecessor, the only hints he has given suggest a move away from Africa and towards Latin America, and a preference for bilateralism over multilateralism.

除例行公事短期的峰会出访、与美国的必要联系以及从自由党前任那里接手的阿富汗军事事务外，哈珀总理外交态度的唯一迹象是其工作重心将由非洲转向拉美，并优先奉行双边而不是多边外交政策。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。