查询词典 X-disease

Returns the arc tangent of x in radians.

返回 x 的正切值。

Polar-coordinate NC Tool accept'G01 X,Z,C'instruction to complete a resultant Archimedes Spiral trails, Which is composed of a rotational coordinateand a linear motion.

极坐标数控机床接受"G01 X，Z， C"格式的极坐标指令，完成C 轴旋转坐标和Z轴线性坐标的合成运动轨迹—阿基米德螺线轨迹运动。

Polar-coordinate NC Tool accept 'G0l X,Z,C' instruction to complete a resultant Archimedes Spiral trails, Which is composed of a rotational coordinateand a linear motion.

极坐标数控机床接受"G01 X，Z，C"格式的极坐标指令，完成C抽旋转坐标和Z轴线性坐标的合成运动轨迹－阿基米德螺线轨迹运动。

Find the area enclosed by the graph 22 ||||x yx y+=+ on the xy-plane.

求xy坐标平面上由图像 22 ||||x yx y+=+所围出的面积。

The value of the exponential function at argument x.

参数为x的情形下指数函数的数值。

The value of the function f at argument x.

参数为x的正弦函数f的数值。

The value of the sine function at argument x.

参数为x的情形下正弦函数的数值。

Recently. by complexification of the space and time variable, also using the Picard-Lefschetz theory, argument principle, Riemann manifold and homology theory, Gavrilov [25] proved the same result under the condition X〓 has one center and one saddle or two centers and two saddles.

最近Gavrilov[25]将方程复化后利用Picard-Lefschetz理论，幅角原理及同调论等工具得到X〓有一个中心、一个鞍点和两个中心、两个鞍点的情形下I零点个数的上确界。

In order to investigate these unusual implications, we observed SCGG223 in X-rays with ASCA satellite ...

为了证实这些推测，作者在 1999年 2月利用 ASCA卫星对 SCGG 223进行了 X射线观测。

Through simple Gaussian line fits, we found not only obvious Fe K line variability with no significant difference in the X-ray continuum flux between two ASCA observations which were separated by～440 days, but also rapid variabilities of Fe K line on time scales～10〓s within the second observation.

使用简单的高斯线拟合我们发现，在间隔440天左右的两次ASCA观测之间，NGC 4051的铁Kα荧光线轮廓和强度有着明显变化，而与此同时X射线连续谱流量保持不变；不仅如此，我们发现在第二次ASCA的观测过程中，NGC 4051的铁Kα荧光线有着10〓s尺度上的快速变化。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。