Many people believe that grammar is the sine qua non of language learning.
许多人习语法在
习语言中是必不可少
。
Many people believe that grammar is the sine qua non of language learning.
许多人习语法在
习语言中是必不可少
。
According to the theory of scalar diffraction, first, the equipollence of spatial distribution of the plane-wave interferential field and parallel projective sine grating is discussed.
摘要根据标量衍射理论,首先讨论了两平面波干涉场空间分布与平行投影正弦光栅
等价性。
Firstly, there are two types of winding patterns for toroidal vessel: spiral winding along toroidal vessel geodesics and analogous sine placement along the external surface of toroidal vessel.
首先,环形容器缠绕线主要有两种类
:沿稳定测地线
螺旋缠绕和类似正弦外包罗铺放。
In this method, the sine, cosine signal is converted by three line autosyn and its output is a binary code based on AD2S83.The measurement datum can be read and displayed by computer.
着重研究了自整机
三相信号通过隔离转换电路转换成正、余弦信号,输入到高精度AD2S83
/数字转换电路转换成二进制数字信号,供给计算机系统读数显示。
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