Some attempts to run Comprehensive Experiments by Organic Chemistry and Instrumental Analysis are introduced in forestry universities as the limited period subjects. 该文介绍了林业院校少学时的有机化学实验和仪器分析实验共同开设综合性实验的尝试。
First carries on the modal analysis experiment, analyzes under the different frequency weldment's vibration characteristic. 首先进行模态分析实验,分析出在不同频率下焊接件的振动特性。