这架相机的测距器很管用.The range finder in this camera is really good.测距器使用数码管显示目标物的距离.The device uses LED digital display to show the distance of sighting vane....
他是个拘谨的人,不爱多说话.He is very reserved. He does not say much.我的天性是很拘谨的.I'm really a very private person.玛丽说话时脸上露出了拘谨的神色.Mary spoke with restraint in her face....
你放两个月假,机师, 这就是你要做的 吗 ?You get two months Ieave , Major, and this is what you do with it?军官, 技师和二级准尉机师穿产白色工装裤.Officers, engineers and warrant officer engineers wore white overalls.一名空乘指一名机师调戏她还推挤她.One attendant said a pil...
环烯烃共聚物的自然形态,类似玻璃.COC transparency similar to glass in its natural form.典型环烯烃共聚物材料,比高密度聚乙烯和聚丙烯模量较高.Typical COC material will have a higher modulus than HDPE and PP.报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环...