Comparing fire discipline during these riots with earlier riots may be instructive .
比较这些暴动前期的射击纪律是很有启发性的。
One finds an instructive example of this attitude the publishing industry .
体现这种态度的一个很有启发性的例子便是出版业。
In this respect , comparisons to 9 / 11 are instructive .
就这方面来说,同美国9/11相提并论还是具有启发性的。
As a longtime science journalist , I suspected that this is the kind of instructive controversy-with top-level people taking opposing positions-that often occurs at the leading edge of research .
作为一名长期的科学记者,我认为这种争议很具有启发性,与高位者产生不同意见是在科技前沿中经常发生的。
The vanishing of electric motors may serve as an instructive example : at the turn of the century , a typical workshop or factory contained a single engine that drove dozens or hundreds of different machines through a system of shafts and pulleys .