double density disk 双倍密度磁盘
double density recording 双倍密度记录 ; 双密度记录
double side double density 两面双密
double-density disk 双密度磁碟 ; 双密度磁盘 ; 双密度盘
double density floppy disk 双密度软盘 ; 双密度软碟 ; 双密度软磁盘
double density format 双密度格式
double density encoding 双密度编码
double-density diskette 倍密度软盘 ; 倍密度软磁盘
The improved algorithm was proposed for reducing the ultrasonic image speckle noise and ameliorating image quality,in which the double density dual tree discrete wavelet transform(DD-DT DWT) was combined with the bivariate shrinkage function(BSF) with local variance estimation.
针对去除斑点噪声提高超声图像质量的问题,提出双密度双树离散小波变换（DD-DT DWT）结合局部方差估计的双变量收缩阈值函数（BFS）的图像降噪改进算法实现超声图像降噪。
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N a disk with more than the normal capacity for storage 双密度磁盘
So, it's one over the area times the double integral of xdA, well, possibly with the density, 1 but here I'm thinking uniform density one.
那么就是在这个区域的对xdA的二重积分，当然可能和密度有关系，但在这认为密度均为。
And mass will be double or triple integral, depending on how many dimensions you have, dV of whatever density function you have, dA or dV.
计算质量可看成二重或三重积分，这取决于空间维数，取决于密度函数，dA还是。
Samsung has announced the world's highest density DRAM chip, a 4GB DDR3 module, which is manufactured using a 50nm technology and is double the size of previously available DDR3 chips.
三星宣布了世界上密度最高的DRAM芯片，4GB DDR3模块，以50纳米技术制造，为现有DDR3芯片容量的2倍。
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