由多个小口径成像系统通过特殊排列综合而成的光学稀疏孔径系统是实现高分辨率天文目标成像观测的一种新方法。
Optical sparse-aperture system can be designed to obtain high resolution in astronomical object imaging. It is a particular array synthesized by several small filled imaging systems.
在织造平纹织物时,纱线可以稀疏地或紧密地排列,每10厘米中的经纱根数和纬纱根数可以相同,也可以有较大的差异。
In making plain weave fabrics, yarns can be packed loosely or tightly together, and the number of warp yarns may equal to the number of filling yarns in each 10 cm or may vary considerably.
在织造平纹织物时,纱线可以稀疏地或紧密地排列,每10厘米中的经纱根数和纬纱根数可以相同,也可以有较大的差异。
In making plain weave fabrics, yarns can be packed loosely or tightly together, and the number of warp yarns may equal to the number of filling yarns in each 10 cm or may vary considerably.
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