the slope at a of the simply supported beam is ( ). ei is constant.
对于那些需要在决策过程中不断调整决策策略的问题,在决策全过程中引入反馈控制环节更是非常重要。
when a priatic bar is made from ( ) and ( ) material, and is subjected to an axial force acting through the ( ) of the cross-sectional area, then the center region of the bar will deform ( ). as a result, the material will be subjected only to ( ). this stress is ( ) or averaged over the cross-sectional area.
伯努利提出效用函数的概念并证明期望效用值可以作为效用函数
事态体的简化性是指
in order to solve for the redundants, we must write the ( ) that exist at the ( ) where each of the redundants act.
流体外掠平板对流传热时,流动状态由层流向湍流转变的临界雷诺数为( )
利润指的是合理利润,可根据产品的实际情况、竞争者的价格以及市场情况确定合理的利润率。
for a a3 horizontal sheet, the binding gap on the left side of the sheet should be mm
the statue of liberty is one of the most famous monuments in the world. in the nineteenth century, the people of france presented to the united states of america. the statue was great. auguste bartholdi designed it. he took ten years to complete it. he used copper to make the actual figure. he used a metal framework to support it. the framework was eiffel especially constructed. they transported it to the united states. before this, they had to find a site for the statue. they had to build a pedestal for it. they chose a site. it was an island. it was at the entrance of new york harbour. by 1884, they erected a statue in paris. it was 151 feet tall. in the following year, they took it to pieces. they sent it to america. by the end of 1886 october, they put the statue together again. bartholdi officially presented it to the american people. ever since then, it was a symbol for the millions of people. they passed through new york harbour. they wanted to make their homes in america.