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Those without umbrellas had covered their heads with plastic bags, towels and books in a vain attempt to stay dry.

那些没有的人把塑料袋,毛巾和书盖在头上,其实没用的。

After the airdrop experiments of the system of the projectile and speed-down parachute, the balance velocity obtained from the optics apparatus on the ground、the balance spinning speed obtained from the gyroscope on the projectile and the image obtained from the infrared detector on the projectile are all used to simulate the six-dimension exterior trajectory of the projectile and identify the roll damping moment derivatives, and the identification can safely come to a conclusion that the absolute value of roll damping moment derivatives from the engineering calculation are on the low side.

对卷弧尾翼弹与减速系统进行空投试验,由地面光测系统给出平衡落速、弹上陀螺给出平衡转速、弹上红外探测器拍摄地面图像判断弹的姿态。通过六自由度弹道模拟,对弹滚转阻尼导数进行参数辨识,得到工程估算所得滚转阻尼导数绝对值偏小的结论。 5。对空投试验中出现弹姿态摆动现象,从受力分析及红外图像分析两个方面进行探讨,给出合理解释,并根据分析对弹外形进行修改,在后来的试验中收到很好的效果。

Other examples include aseptate fungal hyphae and certain green algae, such as Acetabularia.

其他的例子还包括不具隔膜的真菌的菌丝以及一些绿藻,例如藻。

Flowers usually forming loose cymes or cymose panicles, sometimes spikes or in clusters; achene without crested appendix at apex.

花通常形成松散的聚花序或密圆锥花序,穗状花序或有时在簇生里的;没有有饰章的附录在先端的瘦果。

They should have extensive experience of international hang gliding, paragliding or other FAI competitions and at least one steward should have experience of paragliding accuracy.

他们应该有广泛的国际滑翔翼、飞行或其他 FAI 比赛经验,且至少应该有一个筹办人有飞行运动准确性之经验。

Yan onLeisure Products Leisure Products factory system of export enterprises, professional production Shi Yan brand leisure supplies, exhibition tent, travel tent, advertisement umbrella, garden umbrella, beach umbrella.

上虞仕燕休闲用品厂系制休闲用品出口外销企业,专业生产仕燕品牌休闲用品,展览帐篷,旅游帐篷,广告太阳,庭园,沙滩

It is good to quit paragliding if you feel that it is not under your control.

如果你感觉飞行操纵无法在你控制之下,其实不飞也是一件好事。

The sport is called speed riding and it is a hybrid of paragliding and skiing.

此项运动全名为高山滑翔速降滑雪,是滑翔运动和滑雪运动的结合体。

This speed relates to the trim angle of attack and it is the flying condition a wing will return to when the pilot releases the controls in smooth air.

此时的速会与攻角的调整变的相关连,而这就如同飞行员在平顺的空中方开双手时的翼一样。

The company mainly produces the advertisement umbrella, umbrella of sunny , the sandy beach umbrella of various specification etc. series product.

公司主要生产各种规格的广告、晴雨、沙滩等系列产品。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。