在最前

A curtain hangs before the pre-Raphaelite portrait; and the blue mold which artists dread gathers upon the Wouvermans and Poussins, the Cuyps and Tintorettis.

一道帷幄遮住了拉斐尔前派的肖像画，艺术家们最害怕的蓝色霉菌聚集在伍维曼、蒲桑、魁普和丁托列托①的名画上。

Express your appreciation for all your parents have done for you.Yes, Mom may be a buttinsky, but she always makes your favorite Christmas cookies. Dad is a bit of a stuffed shirt, but just the other day, he came to your rescue when your car died at the mall.

是的，母亲是"多管闲事"，但是她总能做出你最喜爱的圣诞甜点；父亲是有些傲慢保守，但是才几天前，是他当你车在那家商场开不动时赶来帮忙。

Additionally, the earliest known written evidence of a camera obscura can be found in Aristotle's documentation of such a device in 350 BC in Problemata.

另外，以制造最早"暗箱"的书面证据可在亚里士多德公园前350年的《论问题》中这样一个装置的记载中找到。

Unfortunately, Haniba can not protect his leagues so far as the polis of Capua. Syracus was destroyed by the Attack of Marcurus, esappeared in the history forever, in 221,BC, carried its greatest scientist in ancient, the Archimedes, altogether.

但非常不幸，汉尼拨无法保护他的盟友，如同卡普亚一样，叙拉古于前221年被马库卢斯的攻击彻底摧毁，连同他的古代最伟大的科学家，阿基米德一起消失在历史长河中。

Based on the assumption that the distribution of DCT coefficients in H.264 encoder follows Cauchy distribution, a macroblock layer bit rate model was derived. Then, the distortion was predicted by a linear model using the actual distortion and the quantization parameters of the previous frame.

首先，基于H.264编码器中DCT系数服从Cauchy分布的假设推导得出H.264宏块层的码率模型；并采用线性模型利用前一帧已知的失真度和量化参数值对失真度进行预测；最后，在宏块层通过Lagrange方法最小化失真度，确定宏块的量化参数。

High positions stock configuration, and then re-injected charge in the accounts for the largest weight index, the parroting of the financial and property sectors, not only failed to give full play to the advantages of asset allocation, and even good at the former stock options has not been realized.

高职位的股票配置，然后重新注入的最大重量指数主管，金融，地产等人云亦云，不仅没有充分发挥资产配置的优势，甚至在前股票良好的帐目方案还没有实现。

the manual nn as a highly integrated chiasma subject. most of models about nn are adopting the bp network and the changed form at the practical appliance, which is also the hard core of forward network, incarnating the essential part of nn.

人工神经网络作为一门高度综合的交叉学科，在实际应用中绝大部分的神经网络模型是采用bp网络和它的变化形式，它也是前向网络的核心部分，体现了人工神经网络最精华的部分。

Well , to top it off , I have to get married by Christmas Eve.

现在最要紧的是我必须在平安夜前结婚。

To be the set of graphs with given chromatic number, matching number and diameter, respectively.

在前两节，我们主要研究给定树的匹配数或控制数后，具有最小的Laplacian谱半径的树的刻画。并对于一些特殊的树，我们得到了完全的刻画。

By the end of his week-long visit, the U.S.-China relationship had been reframed from nasty contentiousness to one of cautious cooperation, and the era was underway in which Deng would create a modern China by transforming the world's most populous nation into an economic powerhouse.

在他结束为期一周的中国访问前，中、美从一开始的争执到慎重合作，而接下来的这段时期，邓小平把中国从世界上人口最大的国家擢升而为经济繁荣且现代化国家。

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。