题目内容
只有运动机构播放完成，才能有对应的运动轨迹曲线显示。（）
查看答案
搜索结果不匹配？点我反馈
更多问题
基于“重放（Replay）”或“法线（Laws）”均可进行运动机构分析，二者的计算与分析速度基本相同。（）
通过曲线图观察的运动规律也可通过数据的形式显示，或以电子表格的形式输出，以便对运动机构进行精确研究与分析。（）
对运动机构进行机械装置分析时，当在对话框的接合列表中选中任意运动副时，该运动副所涉及的零部件在结构树及3D模型上均以高亮状态显示。（）
Winston ChurchillDifficulties in life:In Harrow, he was not a good student, and he was almost 1._______ from school.Achievement:He finished at Harrow and went on to the university.Eventually he had a premier 2.________ career and finally he was elected prime ministerFactors for success:his wit, wisdom, civic duty, abundant 3. _______, and amazing 4.__________.Albert Einstein and Thomas EdisonDifficulties in life:They faced immense 5.______ and extreme 6._________.They were 7.________ to learn and seen as 8._______by their teachers.Edison was whipped by his teacher because he asked too many questions; Einstein didn’t speak fluently until he was 9._____ years old, and he was a poor student.Achievement:They became scholarly scientists and achieved magnificent10.________Factors for success:Their parents believed in them and they learned to never 11.________ the long hours of hard work.Abraham LincolnDifficulties in life:he faced substantial hardships, failures and repeated misfortunes in his lifetime:a not 12.__________ background;raised in a very 13.________ family;only oneyear of 14.______ education;failed in business 15._______;his first love died suddenly;lost 16.______ political elections;lost three children.Achievement:the greatest American president of all timeFactors for success:he had strong will, optimism, dedication and 17.____________.Sandra Day O’ConnorDifficulties in life:growing up on a cattle 18.______ with no running water or electricity;being rejected from the entire law circuit as a 19._______ lawyer.Achievement:She entered Sandford Law School and graduated with honors.she finally became the first woman Supreme Court Justice of the United States of AmericaFactors for success:She refused to give up her dreamsShe had 20._______ persistence
微信支付 
支付宝支付