There are data on the rates of diffusion of molecules.

有一些关于分子的扩散速率的数据。

In December 1778, he proposed the plan "for the more general diffusion of knowledge".

1778年12月，他提出了“更普遍传播知识”的计划。

Iron came from West Asia, although its routes of diffusion were somewhat different than those of agriculture.

铁器来源于西亚，尽管它的传播路径跟农业技术的传播路径有些不同。

If technological diffusion and implementation develop faster, workers will have to constantly refresh their skills.

如果技术的传播和应用发展得更快，工人们将不得不持续更新他们的技能。

The diffusion of agriculture and later of iron was accompanied by a great movement of people who may have carried these innovations.

农业和之后铁器的普及，是伴随着可能传播这些创新的人们的一场运动而来的。

Whereas purposeful men could make their way across a narrow bridge, the slow diffusion of plant and animals would require an avenue as a continent and available for ages at a stretch.

有目的的人可以通过一座狭窄的桥，而植物和动物的缓慢扩散则需要一条像大陆一样的道路，而且需要很长时间才能使用。

At low Peclet numbers, diffusion dominates.

在低沛克莱数下，扩散占主导地位。

Although longitudinal diffusion is most rapid, it is of practical importance.

虽然纵向扩散速度最快，但其具有重要的现实意义。

Stimulus diffusion refers to an element of one culture leading to an invention in another.

刺激扩散指的是一种文化元素导致另一种文化的发明。

So, let's look at something called the diffusion equation.

来看看扩散方程。

Countries with policies preventing their diffusion lost out.

用政策来防止信息技术扩散的国家只有死路一条。

And that was to some degree a diffusion of our energies.

这从一定程度上分散了我们的精力。

And this diffusion coefficient we'll define in a few moments.

这个扩散系数，我们一会就定义出来。

It also helps diffusion, the way a scent lifts and hangs in the air.

香柠檬油同时也有助于香味的扩散，即香味弥漫并悬浮在空气中的方式。

Step 11: Alter the color of the Star Diffusion effect (optional).

第十一步：调整星光柔化效果的颜色(可选项目)。

This diffusion of knowledge accelerated dramatically in recent decades.

近几十年来，知识的传播速度大大加快。

Step 6: Duplicate the Star Diffusion layer and group the two layers

第六步：复制星光柔化图层并另建包含这两图层的图层组

More complex technologies are harder to copy, so their diffusion has been slower.

更复杂的技术模仿起来难度大，传播速度就慢了下来。

So, the diffusion equation is something that governs, well, what's called diffusion.

扩散方程是，适用于扩散过程的。

Step 8: Apply the opposite diagonal motion blur to the other Star Diffusion layer.

第八步：在另一个星光柔化图层上使用相反对角线的动态模糊效果。

So far, the group has only tested the diffusion properties of the lens in a lab dish.

迄今为止，该小组只是在实验室里测试了该镜片的性能，但是他们对未来充满希望。

When you combine these two relations together that is how you get the diffusion equation.

将这两个关系式结合起来,就得到了扩散方程，对不起。。。

If you want to be more creative, you can alter the color of the star diffusion effect.

如果你想让图像更具创造力的话，你还可以调整星光柔化效果的色泽。

Now select the other Star Diffusion layer that you did not apply the motion blur effect to.

现在选择另一个还没有进行动态模糊效果的星光柔化图层。

The defining aspect of Yemen is the diffusion of power rather than the concentration of it.

对也门的形势起着决定性作用的，与其说是权力的集中，倒不如说是权力的分散。

Diffusion scatters light, essentially making the light source broader and therefore softer.

运用漫散射分散光线的实质还是使光源变广，从而达到柔化光线的目的。

We now have a star diffusion effect, but it seems quite blurry and it's not every noticeable.

现在我们已经大致有了星光柔化图层的效果，但是看起来有一些模糊，而且也不是很明显。

This star diffusion Photoshop effect can interfere with the subject in the photo by covering it.

星光柔化效果的使用会影响到照片中的主题。

Learn how to add a unique dreamy effect to your photos with this Star Diffusion Photoshop tutorial.

通过这个指南，掌握如何运用星光柔化效果给照片加入梦幻效果。

It was nontoxic and inexpensive, and it had wonderful diffusion qualities that the liquids couldn't match.

它无毒低价，而且有液体所达不到的扩散特性。