This method had certain guided signification to quadratic development of AutoCAD with Visual LISP and DCL.该方法对采用VisualLISP和DCL来二次开发AutoCAD具有一定指导意义.There are certain practical signification for avoiding 、 educing errors a...
The sound of the tank guns reverberated through the little Bavarian town.坦克炮声在巴伐利亚小镇回荡。Never leave young children unattended near any pool or water tank.千万不能放任小孩呆在水池或水槽附近不管。I fill up the tank with gasoline about once a w...
Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.Fructone was synthesized from ethyl acetoacetate and glycol using activated carbon supported phosphotungs...
库克叫这只狗的名字时，它的耳朵就会稍稍耷拉一下。The dog's ears flattened slightly as Cook spoke his name.它的叶子在灼热的阳光下微微耷拉着。Its leaves drooped a little in the fierce heat of the sun.他的舌头从嘴角耷拉出来。His tongue was lolling out of the side of his m...