Added horizontal stabilizer, vertical stabilizer and central stabilizer to the Humen bridge section respectively, to form three new models of cross-sections.

针对虎门大桥，在断面中分别加入水平边稳定板、竖向边稳定板以及中央稳定板，形成三种添加气动稳定性措施的新断面模型。

A type of loop antenna used for Y7-200A airplane is given. The antenna is located on the front edge of the vertical stabilizer. It is conformal with the configuration of the plane.

给出了一种用于Y7 2 0 0A运输机的隐蔽式短波天线，该天线为位于飞机垂尾前缘的回线天线，与飞机的外形共形，不影响飞机的飞行性能。

Including the horizontal stabilizer fin and the vertical fin.

尾翼包括水平尾翼和垂直尾翼。

The stabilizer effect of passive anti-rolling tank mostly depends on how to choose arrangement of vertical position, water level and damping factor.

在被动式减摇水舱的几何尺度确定之后，它的减摇效果主要取决于垂直位置的布置、边舱液位高度和阻尼系数等参数的选取。

A mechanical model for installing tubing stabilizer in vertical well is established, and a method of calculating axial force in tubing is presented.

建立了竖直井安装扶正器的油管力学模型，给出了油管任意横截面轴力的计算方法，导出了相邻扶正器之间油管失稳的临界状态方程。