释义 |
visual observation短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 目视观测,目测法,外部观察,直观研究法 Based on many years of study, such methods as visual observation, interior extrapolation method and GPS positioning method used by look-outs for reporting fire are summarized. 通过多年的研究,总结了瞭望员安全报火的方法,即目测法、交叉法、航点法。 dictall Experiments were carried out in both quartz and copper tubes of similar geometrical dimensions. The former allowed better visual observation and the latter gave more quantitative informations. 采用相同几何尺寸的石英管及铜管进行实验,前者有利于观察研究,后者则能提供更多的定量结果。 cnki In the1980s molecular and genetic analysis was introduced, enabling species to be identified by their DNA rather than visual observation. 1980年分子学和基因分析的出现,可以通过物种的 DNA而不是通常的观察来鉴别他们。 yeeyan |