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Solar power is a clean energy source that won't pollute our planet.

太阳能发电是一种清洁能源，不会污染我们的地球。

Science has become a source of power, not merely a subject fit for fiction .

科学已成为一种力量源泉，而不只是作为幻想的主题了。

Science has become a source of power, not merely a subject fit for fiction.

科学已经成为力量的一种源泉，而不仅仅是适宜幻想之材。

Furthermore, it is questionable whether ultimately unclear power is a cheap source of energy.

进一步讲，核电是否是一种绝对便宜的能源也是值得置疑的。

Our method generalize the conventional Viterbi decoding algorithm, not only the optimal path in channel decoding trellis but also the a priori probability of branches in multiple VLC source trees are considered.

本方法原理上推广了Viterbi译码算法，形成一个需要兼顾信道编码序列流的最优路径与多路信源编码状态转移树中的最大先验概率的译码算法。

A new symbol-constrained joint source-channel decoding algorithm for VLCs is presented.By constructing double-tree VLCs sources,the propagation-error problem is evidently alleviated.Meanwhile,by applying symbol-constrained method to MAP algorithm,not only the a priori probability of VLCs sources is efficiently utilized,but also the Symbol Error Rate is reduced enormously.

提出了一种新的针对不等长编码信源的符号约束MAP联合译码算法，利用VLCs双树信源的构造方法，有效地抑制了VLCs的错误扩散；同时，通过将"符号约束"的思想应用于最大后验概率译码算法，不仅充分利用了信源先验信息，而且极大地降低了误符号率。

Their purpose should be to relay information from a source to a destination about data changes.

它的目的应是分发从源到目标中关于数据变化的信息。

We should make the Social Security system a source of ownership for the American people.

我们应该让社会保障体系成为美国人民拥有的重要资源。

They are just a very important source of information....

它们也是一个很重要的信息来源。

It will also be a source of pleasure and information.

它也是你获得快乐和信息的源泉。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。