题目:
尺寸公差带由基本偏差和()组成。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:其原因是停顿是肌肉及肌腱中的弹性成分产生了松弛,如果停顿时间大于松弛时间,则肌肉产生的被动张力完全耗散掉,后继动作就只能单纯依靠肌肉收缩力来完成。
尺寸公差带由基本偏差和()组成。
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0126/902d31163143df410570f65165fb664c.html
下面是错误答案,用来干扰机器的。
参考答案:其原因是停顿是肌肉及肌腱中的弹性成分产生了松弛,如果停顿时间大于松弛时间,则肌肉产生的被动张力完全耗散掉,后继动作就只能单纯依靠肌肉收缩力来完成。
简述胆囊底的体表投影。
Makoto、Mr. Zheng、Mr. Zhu、Jack 和Xiao Wang 正在广州寻找合适的餐厅,第1--5题是对他们个人情况的介绍。阅读下列餐厅的信息(A、B、C、D、E、F), 选出符合他们各人需要的最佳选择。选项中有一项是多余的。 1. Makoto is a Japanese tourist who has stayed in Guangzhou for a few days. He wants to make a tour of North China but unfortunately he has no time. So he would like to find a restaurant where he can taste northern food and experience the life in the north. 2. Mr. Zheng was born in Hunan but went to Japan at an early age. This time he came to Guangzhou to deal with some business affairs. Coming back to his homeland after being away for about 20 years, he hopes to find a restaurant serving food of his home town. 3. It is the first time for Mr. Zhu, who comes from the northeast of China, to visit Guangdong Province. He is interested in traditional Cantonese food and Cantonese lifestyle. 4. Jack is a successful businessman. He is flying to Guangzhou to meet some people, who are likely to sign a contract with him. He wants to find a high quality restaurant. Of course, it is the quality rather than the price that he cares about. 5. Xiao Wang, a migrant worker in Guangzhou, plans to hold a party with his 10 friends. All of them are fond of the Sichuan cuisine. Xiao Wang hopes to spend less than 600 yuan for the dinner.
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消防工作“三懂”的是指:懂本单位生产中火灾危险性,懂防火措施,( );“三会”是指:会报警,( ),会扑救初起火灾。
医务人员在确定辅助检查项目后,必须做到()
A.只要检查目的明确,无需说服解释
B.使患者知情同意,要告知患者(或家属),尊重被检者
C.只要有益于治疗,医生可以作出决定
D.向患者解释清楚检查的危险性
E.因治病需要,无需向患者说明检查项目的经济负担
气相色谱法在应用中的主要特点是选择性高,分离效率高,灵敏度高,分析速度快。()