多常

By using the elementary row transformation in the controllable matrix, the input matrix is replaced by the maximally linear independent set of its column vectors.

中文摘要：分析了求多输入线性系统能控规范型算法的不足，提出了一种新的改进型求解线性定常系统能控规范型的迭代算法。

Lumbar sacralization and lumbarization are congenital spine malformation.16 cases with lumbar sacralization or lumbarization were reviewed.

腰椎骶化和骶椎腰化都是先天性脊柱畸形，在临床上还没有受到足够的重视，常仅被认为是腰腿疼的一种病因，相关的文献报道也不多见。

Alone green jade: Include green , sage green , aquamarine blue , yellow green, alone the jade often looks at and appraises the partner , colour maldistribution with white , many memorials tape , filiform or roll into a ball irregularly form of block distribution.

绿独玉：包括绿色、灰绿色、蓝绿色、黄绿色，常与白色独玉相伴，颜色分布不均，多呈不规则带状、丝状或团块状分布。

Freckles: the name has a lot of people,"flies feces,""soil spot","silkworm excrement",Cover face sand, flea flea spot ranging from freckles are a good hair in the face, neck and hand back the brown or dark brown pigment spots, many in the 6-year-old appeared often increase with the age of growth.

雀斑：民间的叫法又有很多，"苍蝇屎"、"土斑"、"蚕沙"、蒙脸沙、虼蚤斑不等，雀斑是一种好发于颜面、颈部及手背部的黄褐色或暗褐色色素斑点，多在6岁左右出现，常随年龄的增长而增多。

I think he was just a smart playboy abusing the name of Satan for his own greed. His views of Satanism always annoyed me big times and I think it is disgusting to see that his stupid church got so many followers.

我觉得它只不过是为了他自己的贪心而滥用撒旦名义的一个花花公子，他的撒旦主义观点常惹恼我，他那个笨蛋教堂得到那么多人的支持简直是恶心。

Originally, Mr Schreiber says, he was thinking of poor communities where computers are rare. But most of G.ho.st's subscribers are from the richer parts of the world, and often have too many computers for their own comfort.

Schreiber的初衷是想为那些电脑稀少的贫困地区提供便利，不料多数用户却来自世界上的富裕国家，且为了图方便常拥有多台电脑。

We are more often frightened than hurt; and we suffer more from imagination than from reality.- Seneca

我们更经常地受到惊吓而非伤害，想象比现实常使我们承受更多的痛苦。

Results: Endometrial cyst cases always appeared both sides and went with bleeding signal, serosity cyst were normally smaller than 5cm, corpus luteum cyst often bleed and always belonged to individual case, with the dimension smaller than 5cm.

浆液性囊肿一般小于5cm，黄体囊肿常有出血大小在5cm以下，病灶多为单发病灶。

However, this butterfly valve in the course of the following questions remain: First, as a result of hard and soft multi-layer stacked ring fixed in the valve plate, when the valve plate when the media always state of the formation of its positive sealing surface erosion, sheet metal dissection of the soft-sealed after flushing with by a direct impact on seal performance.

但是，这种蝶阀在使用过程中仍然存在以下问题：一、由于多层软硬叠式密封圈固定在阀板上，当阀板常开状态时介质对其密封面形成正面冲刷，金属片夹层中的软密封带受冲刷后，直接影响密封性能。

First, because of soft and hard multi-layer stacked ring fixed in the valve plate, when the valve normally open status when the medium of its sealing surface to form a positive erosion, sheet metal in the interlayer by scouring with soft seal, the sealing performance of a direct impact.

一、由于多层软硬叠式密封圈固定在阀板上，当阀板常开状态时介质对其密封面形成正面冲刷，金属片夹层中的软密封带受冲刷后，直接影响密封性能。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。