Without going into any details , it is only necessary to know that the airfoil is generated from a circle that is " mapped " into an airfoil as depicted in the figure above 刻下任何细节只是要知道,机翼是产生了一圈即"描绘"描绘成翼型的数字以上
March 28th , 2007 will be a memorable day in history of urban construction in hangzhou as the city will start construction of subway on this date 2007年3月28日，杭州的城建史上将刻下值得纪念的一笔? ?杭州地铁正式开工，杭州人的地铁梦终于走向现实。
Years may wrinkle the skin , but to give up enthusiasm wrinkles the soul . worry , fear , self - distrust bows the heart and turns the spirit back to dust 岁月的流逝会在皮肤上留下皱纹，而热忱的丧失却会给灵魂刻下皱纹。焦虑、恐惧和缺乏自信会使心情沮丧，意志消亡。
Years may wrinkle the skin , but to give up enthusiasm wrinkles the soul . worry , fear , self - distrust blows the heart and turns the spirit back to dust 岁月的流逝会在皮肤上留下皱纹，而热情的丧失却会给灵魂刻下皱纹。焦虑、恐惧和缺乏自信会使心情沮丧，意志泯灭。
I wish that this day could bring me a mind unafraid to travel , even though the trail be not blazed , and i wish that this day could bring me an understanding heart 我希望今天能有个动人心弦的不可怕的旅行,即使痕迹没有被刻下,但是我希望在今天我给我一个谅解的心
Years may wrinkle the skin , but to give up enthusiasm wrinkle the soul . worry , fear , self - distrust bowns the heart and turns the spirit back to dust 光阴可以在颜面上留下印记，而热情之火的熄灭则在心灵刻下皱纹。忧虑，恐惧，缺乏自信，会扭曲人的灵魂，并将青春化为灰烬。
Years may wrinkle the skin , but to give up enthusiasm wrinkles the soul . worry , fear , self - distrust bows the heart and turns the spirit back to dust 光阴可以在颜面上留下印记，而热情之火的熄灭则在心灵上刻下皱纹。烦恼、恐惧、缺乏自信会扭曲人的灵魂，并将青春化为灰烬
You may wrinkle the skin , but to give up enthusiasm wrinkles the soul . worry , fear , self ? distrust bows the heart and turns the spirit back to dust 光明可以在颜面上留下印记，而热情之火的熄灭则在心灵上刻下皱纹。担忧，恐惧，缺乏自信，会扭曲人的灵魂，并将青春化为灰烬。
Yeas may wrinkle the skin , but to give up enthusiasm wrinkle the soul . worry , fear , self ? distrust bows the hear and turns the spirit back to dust 光阴可以在颜面上留下印记，而热情之火的熄灭则在于心灵上刻下皱纹。遗憾、恐惧、缺乏自信，会扭曲人的灵魂，并将青春化为灰烬。
Years may wrinkle the skin , but to give up enthusiasm wrinkles the soul . worry , fear , self - distrust bows the heart and turns the spirit back to dust 光阴可以在颜面上留下印记，而热情之火的熄灭则在心灵上刻下皱纹。遗憾、恐惧、缺乏自信，会扭曲人的灵魂，并将青春化为灰烬。
