N a system of scanning a television picture along the lines in numerical sequence 顺次扫描 → compare interlaced scanning
The program is parallelized not by hierarchical simplification, but by only one pass sequential scanning.
程序并行化不需要分层简化，只要顺序扫描一遍即可。
Manganese elements in low alloy steel, electrician steel, high manganese steel and stainless steel were measured with sequential wavelength scanning X-ray fluorescence spectrometry.
应用波长扫描X射线荧光光谱法对中低合金钢、电工钢、高锰钢、不锈钢中锰元素进行测定。
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