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- By using the extended matrix of the convariances of the coefficients of Zernike polynomials,it is simpler and clearer to calculate of Zernike polynomials than by Gram-schmit orthogonalized method. 由于在该模型中利用了 Zernike 多项式系数协方差的增广矩阵,因而比用 Gram-Schmit 正交化法求 Zernike 多项式系数的方法更为简洁。
- In order to calculate the inverse matrix of a QC-LDPC matrix, the generator polynomials are adopted to express the cyclic extended matrices in the QC-LDPC matrix. 该方法通过用多项式来表示QC-LDPC码中的循环扩展矩阵，大大地降低了需要计算矩阵逆阵的维数。
- The gymnast extended her arms horizontally. 那女子体操运动员双臂平伸。
- It is a barbarous way to extend territory by arms. 以武力扩张领土是一种野蛮的方式。
- She warmly extended both hands towards us. 她热情地向我们伸出了双手。
- They extended the Queen a warm welcome. 他们热烈欢迎女王。
- The bird extended its wings in flight. 那鸟展翅飞翔。
- The paddy area was extended to900000 mu last year. 去年稻田面积扩大到了90万亩。
- A term sometimes applied to a stylus in a thermal matrix printer. 有时用来指热敏点阵打印机的触针的一个术语。
- Had an extended vacation in the Alps. 拖长了在阿尔卑斯山的渡假时间
- An extended adventurous voyage or trip. 冒险旅行一次大范围的或冒险的旅行
- He extended his hand in greeting. 他伸出手来表示欢迎。
- The hot weather extended into October. 炎热天气一直持续到十月。
- The Romans extended their conquests to Britain. 罗马人把征服范围扩大到了不列颠。
- Cotton acreage may also be extended wherever this is feasible. 在可能条件下，棉花种植面积也将扩大。
- The number of rows or columns in a determinant or matrix. 行列数行列式或矩阵中行或列的数目
- The horse was fully extended by the long ride up the mountain. 那匹马长途爬山已用尽力气了。
- A proposal to extend the highway was flung out at the meeting. 延伸高速公路的建议在会议上被否决。
- In the coming months electric lighting will be further extended. 在以后几个月中将有更多住户用上电灯。
- Abnormally heavy or extended menstrual flow. 月经过多异常多或长时间的月经来潮
