1.
A Derivative-free Algorithm Based on Approximate Descent Direction;
一个基于近似下降方向的免梯度算法
2.
Search Direction of Descent Direction in Model-Based Affine Reduced Secant Method
基于模型的仿射约化割线法中下降方向的求解方法
3.
The land falls off here towards the river.
这里的地势朝河的方向陡降下去。
4.
A downward movement.
下降，落下向下的运动
5.
Bottom-up parsing implementation with recursive descendent method
用递归下降方法实现自底向上的语法分析
6.
The surface projection of the appendix root draws down gradually following the descent of caecum.
阑尾根部的体表投影随盲肠下降而逐渐向下方移位。
7.
The sun was-ging towards the horizon.
太阳向地平线下降。
8.
critical rate of fall of commutating current
换向电流临界下降率
9.
Share prices have been trending down.
股票价格一直趋向下降。
10.
A sudden drop from a relatively erect to a less erect position.
突然俯身低下从垂直方向上相对高的位置降到低的位置
11.
Enthusiasm is a spiral, turning inward or outward, rising or falling.
热忱就像一个螺旋，它会向内转或向外转，也会上升或下降，使你的热忱循着正确的方向发展。
12.
Plunging movement, esp a steep fall
（向前或向下的）冲，投，落；（尤指）骤降，猛跌
13.
They sediment toward the bottom of the centrifuge tube at a velocity.
它们以某一速度向管底方向沉降。
14.
Lower inlet style means the dusty flow inlet is situated on the lower part of the bag-house,and the direction of flow is opposite to that of dust precipitastion.
下进风是指含尘气体流入口位于袋室下部，气流与粉尘沉降方向相反。
15.
We take the downward direction as positive.
我取向下的方向为正。
16.
We're ging to begin the descent for Fuji Mountain.
我们准备开始向富士山下降了。
17.
The lift went downward from the sixth to the first floor.
电梯从七楼向下降到二楼。
18.
We are going to begin the descent for Honolulu .
我们准备开始向檀香山下降了。