分析了滚珠丝杠副的原理及结构形式.The rule and the composition of the ball screws were analyzed.给出四方向等载荷型哥德式沟槽直线滚动导轨副的装配关系.Assembly has a great influence on the quality of high precise linear motion rolling guide.在球面连杆机构中, 所有的转动副的轴必在一点上相...
Still, the modernising element seems to have the upper hand right now.不过, 现代化的要素目前占据了优势.Now , at least, Mr Kan can claim to have the upper hand.至少现在, 菅直人先生可以宣称自己是占优势的一方.As December begins, this partner will have the uppe...
Plague, hemorrhagic fever with renal syndrome and leptospirosis are three main rodent - borne diseases in China.鼠疫 、 肾综合征出血热和钩端螺旋体病是我国3种主要人鼠共患病.Researchers observed one bird impale a rodent on a cactus...研究人员观察到一只鸟把一只啮齿动...
Even though you're not a Sicilian, I made you one.即使你生下来不是西西旱人, 我早把你熏陶成西西里人了.Five bullets in his Sicilian hide and he's still alive. "在他那个西西里牛皮上打了五颗子弹,而他居然还活着. ”...the Sicilian village of Corleone.西西里岛科莱奥内镇的村庄S...