To begin testing this theory, we undertook a pilot study to qualitatively investigate the extent to which design consultancies are engaging in this activity.
开始测试这一理论，我们开展了试点研究，以探讨设计顾问均参与了这一活动定性的程度。
Then adopt GC/MS to analysis each fraction qualitatively and quantitatively , investigate the distribution situation that the main material in different temperature range.
然后采用GC/MS对各个馏份进行定性、定量分析，考察了主要物质在不同温度区间的分布情况。
应用推荐