method of direct observation
adjustment of direct observation
device for direct observation of frequency spectrum
direct (-method) heat balance
direct method
直接法
直接测定法
直接方法
直接计算法
一步法
能量函数
直接解法
H函数类
直接教学法
直接分析
直接计算
direct method Fifth-degree Gauss-lobatto polynomial
direct method of measurement
direct method of reduction
direct method of solution
direct method of teaching
direct method periodical graph
direct observation at atomic scale and simulation
direct observation form
heat balance by direct method
Iteration direct method
knowledge acquired by direct observation