zero mask的例句大全

The threading dislocation density is reduced to almost zero in the area on mask.

在SiO2掩膜区生长的GaN，其腐蚀坑密度（相当于穿透位错密度）减少到几乎为零。

The result shows that the groove depth and duty cycle error of phase mask must be controlled within the range of| Δ h| < 38nm and| Δ f| < 0.11 respectively in order to make the zero order diffraction efficiency less than 5%.

分析表明，为使零级衍射效率小于5%，相位掩模的刻槽深度和占空比制作误差必须控制在｜Δh｜＜38nm和｜Δf｜＜0.11的范围内。

The Binary phase shift keying ( BPSK) and Mary amplitude shift keying ( MASK) are widely used in radar systems, their elliptic covariance do not equal zero, are noncircular signals.

二进制相移键控（BPSK）和幅度调制（MASK）等信号是雷达系统中常用的信号，这种调制信号的椭圆协方差矩阵不为零，被称为非圆信号。