Some attempts to run Comprehensive Experiments by Organic Chemistry and Instrumental Analysis are introduced in forestry universities as the limited period subjects. 該文介紹了林業(yè)院校少學(xué)時(shí)的有機化學(xué)實(shí)驗和儀器分析實(shí)驗共同開(kāi)設綜合性實(shí)驗的嘗試。
First carries on the modal analysis experiment, analyzes under the different frequency weldment's vibration characteristic. 首先進(jìn)行模態(tài)分析實(shí)驗，分析出在不同頻率下焊接件的振動(dòng)特性。
