例46:小手柄的数控车床加工 0004 N10G50X100Z100; (对刀点,也是换刀点) N20T0101M03S600F0.2M08:(F0.2是每转进给量)

例123:铣削凸台轮廓 N10G54G90G00Z200: N20T01M06 N40S1200M03 N50Z5M08 N60G42X0Y0

人类的生存离不开水，生命就是从水中发源的，而且有赖于水分才能维持。人体之中65％的重量是水，成年人身体中平均含水40—50千克，而且每天要消耗和补充2.5千克水，失水12％以上就会导致死亡。全球生物体内所含的水分约占淡水总量的0.0003％。人类的生活与生产无不消耗水，表1列举了生活用水和某些生产项目用水的数量

1. Translate the following phrases into Chinese:(50%) 1. take it easy 2. on foot 3. bring into effect 4. and so forth 5 end up

Name: L Write down the chinese meanings of the following words:( 50%) 1. receipt purp 3. manuf acture 4. marvelous 5. mild

Unit Five Text B I. Pre-Reading Task 1.\Intel is the name of a(n A U.S. company B. IBM computer C government department D branch of the Internet 2. China is a country scientists and engineers in terms of computing technology

a B: The second Law of Thermodynamics [AW 42-50: VN Chapter 5; VwB&S-6.3, 6.4, Chapter 7 1. B. Concept and statements of the Second law why do we need a second law?) The unrestrained expansion, or the temperature equilibration of the two bricks, are familiar

1、学习上挑式和下压式传接棒技术 组织:教师讲解动作要领,并找一学生上来,教师示范传接棒技术。然后学 生练习。练习①原地站立,徒手摆臂在统一口令下分别练习上挑式和下压式 接棒伸臂和手型练习。练习②走动中和慢跑中几人做传接棒练习 组织:根据接力棒数目分成若干组,每组一路纵队,最后1个学生向前传棒, 最前面同学接棒后再将棒给最后一名继续练习,走和跑50、100米向后转, 交互练习传接

Assessment Course work-10% Lab-20% Assignment (Mini Project)-20% Final examinition-50%

测定步骤 1称取4克鲜土于50ml三角瓶中,加入4ml(0.5%+0.5%葡萄糖)-tris缓冲溶液(p7.6),(2ml1c-tris缓冲溶液,2ml1%葡萄糖),置37℃暗室培养 24hr