the stress formula by Mindlin Mindlin应力公式
Has two solutions given by the formula?
由公式给出了两种结果。
As you already know, your product's success is largely determined by the formula you invented.
方才您已经知道,你的产品的成功很大程度上取决于你发明的配方。
It was found that the measured properties of nickel foam, for example, were well described by the formula.
结果表明,以泡沫镍为例的有关实验数据,能较好地用该数学关系式来描述。
So,the point is,every object falling under gravity is given by the same formula, but there are many, many objects that can have many histories, all falling under gravity, and what's different from one object and the other object is, when was it dropped, from what height, and with what initial speed.
关键是,每一个受重力作用下落的物体,都有同样的表达式,但是各个受重力作用下落的物体,都有不同的初始条件,所以它们的区别在于,下落时刻,下落高度和初始速度
The answer was: at any time t, the location of the particle is given by this formula.
答案是,在任意时刻 t,这个质点的位移都由这个式子给出
If you had a perpetuity, which paid C/2 forever, you already know from the perpetuity formula that the value of that would be C/2 divided by r/2 if r/2 is the discount rate.
如果你有一只永续债券,每半年付息C/2,没有到期日,从永续债券的公式可以知道,债券价格等于C/2除以r/2,r/2为贴现率
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