Two test methods - the moire method and the photographicmethod were used.
采用了云纹干涉术和普通照相法这两种试验方法。
2
Liquid flow rate and bubble size have been determined by photographicmethod.
用照相法测定液体流速及气泡直径。
3
Tong Jun conducting historical research when the research method is to use a lot: 1 research methods 2 mapping method 3 comparison 4 photographicmethod and 5 Review Act.