气流流过机翼上下表面所产生的垂直力。
The vertical force produced by the airflow past the upper and lower surfaces of the wing.
异面(背腹型)：指上下表面结构具有明显差异。
Dorsiventral Describing a structure that has distinct upper and lower surfaces.
考虑一均匀各向同性薄板结构，在其上下表面离散分布着压电执行元件。
An uniform distribution, isotropic thin plate, on which both surface there are discrete distribution piezoelectric actuators, is considered.
研究了金属板的上下表面附近各放置一层按周期排列的电介质小球的体系的光学性质。
Optical properties of a system composed of a metal slab with two planes of periodically arranged dielectric spheres on the metal surface have been investigated.
对称粘贴在梁结构上下表面上的压电元件在外部电场的作用下能使梁结构发生弯曲变形。
The rectangular beam with dual surface bonded piezoelectric actuators can achieve a pure bending deformation by an external electric field.
若是多层不同材质，先对样品的上下表面进行全反射红外光谱测试，确定上下表层成分。
If the structure is of multi layers, first the upper and the lower surface of the sample go through fully reflective infrared ray test; the components of the upper and lower surface are determined.
本发明铜合金镍网磁性复合材料是由上下表面层和中间层的原料带材复合轧制成一体的带材结构。
The invention relates to a copper alloy nickel-net magnetic composite, which is the integral belt structure rolled by stock belts in top and bottom surface layers and middle layer.
考虑一均匀各向同性薄板结构，在板面内受面力作用，且在板的上下表面离散分布着压电执行元件。
A homogeneous isotropic thin plate, on which the surface force ACTS and there are many actuators of discrete distribution, is considered.
比较了仅考虑上表面风荷载作用和同时考虑上下表面风荷载作用对结构的影响，结果显示前一种情况对结构更为不利。
The comparison between wind action only on the upper roof surface and both on the upper and lower roof surfaces, shows that the latter condition is more advantageous.
比较了仅考虑上表面风荷载作用和同时考虑上下表面风荷载作用对结构的影响，结果显示前一种情况对结构更为不利。
The comparison between wind action only on the upper roof surface and both on the upper and lower roof surfaces, shows that the latter condition is more advantageous.
应用推荐