September a changeling, busy a squirrel a hickory tree, idle a languid brook.九月真是变幻莫测, 忙来如山核桃树上的松鼠, 闲来却又象懒散缓流的小溪.September is a changeling busy as squirrel in a hickory tree, idle as a languid brook.九月忙来如胡桃树上的松鼠, 闲来如缓缓流淌...
To compute the risk ( Pr ) of fatality with the logistic regress equation.应用Logistic回归方程计算新的预测病死几率 ( Pr ).It is conventional to place the independent variable on the right-hand side of an equation.普遍做法是把自变量放在等式的右边。The ge...
The soil washed from the hills is silting up the hydroelectric dams.从山上冲刷下来的泥土就要让水电大坝淤塞了。These dams have restricted the flow of the river downstream.这些堤坝限制了河水顺流而下。Large dams have harmed Siberia's delicate ecological...