查询词典 tri-angular thread

In the case of the small angular displacement, the natural frequency of the corresponding undamped linear system is obtained, which is consistent with the experimental observation.

通过讨论与小角位移无阻尼情形对应的线性无阻尼自由振动微分方程，得到了相应的固有频率，与实验结果一致。

View from the spool displacement, regulatory agencies are divided into linear displacement and angular displacement valve valve.

从阀芯位移看，调节机构分为直线位移阀和角位移阀。

Using simple trigonometry, from the observed angular displacement of the star''s measured position and knowledge of the distance between Earth and Sun the distance of the star can be calculated.

使用简单的三角学理论，通过观察到的恒星移动的角度，以及已知的地球和太阳的距离，恒星的距离就能计算出来。

Laser technique ; optimum design ; error analysis ; angular displacement

激光技术；优化设计；误差分析；角位移

At the same time the angular point displacement is zero , owing to boundary condition complexity, the plate s dynamical analysis have some hardness.

同时该角点处位移为零，由于边界条件的复杂性，使这类板的动力分析具有一定的难度。

Have spherical circle back seat to suit their axis line and the line between the permanent seat axis angular displacement.

有球形背面的座圈，以适应其轴心线与座轴心线间的永久角位移。

A unit of angular distance equal to 60 degrees.

等于度的角距离单位。

Angular distance is the distance between two objects measured as an angle from a given point.

角距离，是由一定点到两物体之间所量度的夹角。

The angular distance of a point in an orbit past the point of periapsis measured in degrees.

穿过用角度来测量的进拱点的一个轨道里的某点的角距离。

Astronomy position of a planet as defined by its angular distance from its perihelion.

从太阳观察到的行星距近日点的角度偏差。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。