Hedgehog Fungus is rich in protein, fattiness , carbohydrate and many kinds of vitamins necessary for human.含有丰富的蛋白质 、 脂肪 、 碳水化合物及人体所需的多种维生素等.Being with much protein, aminophenol, mineral and microelement but little fatt...
请确保您已系好安全带、已把座位扶直并已关掉手机.Our cabin crew will now give a quick safety demonstration.树小扶直易,树大扳直难.A young twig is easier twisted than an old tree.倾覆的小船又扶直了.The capsized boat righted again....
用偏振全息术可以在一张全息图上获得多种干涉条纹.Different interference fringes can be obtained by using polarization holography.阐明了环形光栅光学扫描全息术的基本原理,并给出了实验结果.The principle of the circular grating optical scanning holography and the experimental ...