向前

Proper timing is an important factor on both the backcast and forward cast.

适当时机是一个重要因素，并就双方backcast向前投。

In Firefox in Windows operating system, when pressing the backspace key, the web page active in the window or tab will be going back one page, an action that similar to when the both Firefox and IE browser's "Back" button, while Shift+Backspace will go forward.

在Firefox在Windows操作系统中，当按下Backspace键，网页活跃在窗口或标签将回到一个网页上，行动类似，当Firefox和IE浏览器的"返回"按钮，而转向+退会向前迈进。

Its as if the backswing is stretching something, building potential energy that wants to release and fly forward.

就好象后摆是在拉伸什么东西，积聚了势能，而想要释放出来向前飞行。

The former possibility exists for backward compatibility and the latter is usually meant to be used for new software development.

前者16位元的相容性之所以存在是因为要提供向前相容性，而后者32位元是用来作为新的软体发者使用。

Not only is the method applied in this paper better to solve the iteration between unsteady convection and conduction and the boundary condition problem, but also is a developmental application on forward and backward difference of windward scheme under unsteady condition.

不仅较好地解决了对流换热和导热的迭代求解和边界条件的处理问题，还将迎风格式的向前和向后差分发展性地应用于非稳态求解过程。

Because the diffusive term is discretized with divided forward difference or divided backward difference according to the sign of convection velocity, these methods keep first order accuracy for diffusive term.

3.2考虑规则网格上的一维和二维定常型对流占优扩散问题，离散方法采用了有限体积方法及普通的有限差分方法，基本离散思想是将对流项提高到二阶精度，扩散项则根据对流速度的方向决定采用向前或向后差商离散。

A dive in which the diver throws the feet forward and up to complete a half backward somersault and enters the water facing the diving board .

一种跳水跳水者伸出脚向前或向上来完成半个后翻。

It was backward looking when we need to be forward looking.

这是向后看的时候，我们必须向前看。

If you were able to travel through time where would you go backwards or forwards and why?

如果你能穿越时间，你会去哪里-向后或向前，为什么？

First, you can use the mouse to scroll backwards and forwards through the output of the terminal window.

首先，你可以使用鼠标向前和向后滚动终端的输出窗口。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。