通常将垂直柱体在波浪场中的受力分为正向力(顺流力)与升力，它们是由干粘性流绕钝体产生的摩擦阻力和由于水流绕柱分离产生涡漩而形成柱表面压力分布的不均匀变化而造成的。
When waves act on a vertical cylinder, there are in-line and lift forces. They are caused by the viscous effect, which induces the surface frictional force and flow separation and vortex shedding.
拉力是一种物体在空气中所受到的阻力，它能产生与球运行方向相反的作用力，减缓球的运行速度，而升力则是一种能使物体偏离直线运行轨迹的力。
Drag is the force of air resistance pushing against a ball's motion and slowing it down, while lift is a force causing a ball to swerve off a straight path.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
提升力大，提升高度调节范围广，特别适合与埋弧螺柱焊机配套使用。
Big lifting force and wide lifting height adjustment, especially suitable for matching work with submerged arc stud welding machine.
压强分布和升力系数的计算值与现存文献的数值结果和实验数据是一致的。
Predicted pressure distribution and lift coefficient are in agreement with numerical results and experimental data available in the literature.
然而板条，结合边缘皮瓣与领先使用的后缘，机翼的升力系数，可有效地增加一倍，如果用在机翼完整的跨度。
However, by combining the use of trailing-edge flaps with leading-edge slats, the wing's lift coefficient can be effectively doubled if used on the full span of the wing.
通过对磁浮升力与重力浮升力的类比，提出磁加速度的概念。
On the analogy of the magnetic and gravitational buoyancy forces, the concept of the magnetic acceleration is proposed.
文章重点研究了较高振幅振动柱的锁定现象、波动升力与柱位移之间的相位变化，讨论了方柱涡激振荡、驰振和气动稳定性问题。
This study aims at investigating the lock-in phenomenon, fluctuating lift and the phase shift between fluctuating lift and displacement of the oscillating cylinder.
运用空气动力学原理，对标枪的纵轴旋转与压强阻力、偏向力、上升力及稳定性的关系进行分析研究，以更好地指导运动训练的实践。
The paper elaborates on the relations between the revolve of Javelin and pressure resistance, deflection force, ascensus force as well as stability.
旋翼机与飞机也不同，它主要靠旋翼产生升力，而没有固定机翼或只有辅助的机翼。
The gyroplane also is different from the airplane. It depends on the rotors to produce lift. It has no fixed wings, or has assistant wings.
哈尔滨工程大学博士学位论文应用三维数值模型模拟不同展弦比机翼的突然起动问题，将计算升力系数与线性理论比较，检验算法的可行性。
To verify three-dimensional numerical scheme, calculated lift coefficients for impulsively started problem of wings with different aspect ratio are compared with linear theory.
本文提出在大型机械式挖掘机的提升电流信号回路中，增加继电器调节环节的方法求得提升力与推压力的合理匹配。
It is proposed in this paper that a relay regulating loop be added in the hoist current signal of large power shovel so that rational coordination between hoist and crowd capacities can be obtained.
采用流场数值模拟计算方法，计算了横风作用时的垂向气动升力系数、气动横向力系数和侧滚力矩系数，得出各系数与车辆速度和风速之间的变化关系。
Using numerical computation of fluid flow, the coefficients of vertical force, lateral force and rolling moment caused by cross-wind were calculated, which were related to train speed and wind speed.
动感球操的舞步结合心肺机能训练、提升力量及稳定性的阻力训练，以及伸展与反应锻炼。
BODYVIVE integrates aerobic exercise for heart fitness, resistance training for strength and stability, plus stretching and mobility exercises.
并以升力传感器的输出信号为标准来对比刚性阀瓣与柔性阀瓣的性能差异。
And the lift sensor output signal was as a standard to compare the performance differences of rigid disc and flexible disc.
虽然与直升机外观相似，但自转旋翼机必须依靠向上流过桨叶地气流维持旋翼地旋转，产生将飞行器维持在空中地升力以及向前飞行地推力。
While similar to a helicopter rotor in appearance, the autogyro's rotor must have air flowing up and through the rotor disk in order to generate rotation.
当航速为零时，则是通过鳍在水平位置附近的上下振动来产生升力，与鸟类和昆虫的扑翼飞行相似。
When the speed of AUV is zero or low speed, lift is produced by the vibration of fin stabilizer at the horizontal position, which is similar to the flapping wing flight of insects and birds.
联结翼布局与常规布局相比具有结构重量轻、诱导阻力小、升力系数大和稳定性良好的特点。
The joined-wing configuration, as compared with the normal configuration, is characterized by low structural weight, small induced drag, big lift coefficient and good stability.
论述浮升力与气流的摆特性，气体摆与固体摆的类比，气体摆加速度传感器。
Buoyancy lift and the pendulous characteristics of gas flow, the analogy between gas pendulum and solid pendulum and solid pendulum, and the gas pendulum acceleration sensor are also discussed.
对螺旋桨与舵附推力鳍分别采用升力面法和非线性涡格法计算。
Lifting surface method and non-linear vortex lattice method were used for the calculation of propeller and rudder with additional thrust fins respectively.
降低大气压力以上的表面1平方米与只有10 %，已造成升力的约1000公斤！
Lowering the atmospheric pressure above a surface of 1 m2 with only 10% will already cause a lifting force of about 1000 KG!
应用升力面方法理论计算螺旋桨切割前后的敞水性能，与试验值的比较表明计算值误差在可接受的范围内。
Meanwhile the open water characteristics of the propeller were predicted by using the lifting surface theory. Comparison with to experimental data showed that calculation errors are acceptable.
通过将试验数据与经验公式计算的结果进行比较，得到了升力与扑翼参数的关系，为进一步设计扑翼式微型飞行器提供了依据。
Instantaneous aerodynamic forces are calculated under a set of kinematic parameters. The study can be used as a preparation for the design of micro air robot with flapping wings.
通过将试验数据与经验公式计算的结果进行比较，得到了升力与扑翼参数的关系，为进一步设计扑翼式微型飞行器提供了依据。
Instantaneous aerodynamic forces are calculated under a set of kinematic parameters. The study can be used as a preparation for the design of micro air robot with flapping wings.
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