Good studies are needed to lend credence to the notion that genuine progress can be made in this important field.
要有优秀的研究才能使人相信在这一重大领域能取得真正的进步。
This was to occur with progress in the development of the steam engine.
这是随着蒸汽机的发展进步而发生的。
Progress in this area can be measured by the difference in weight between buildings built now and those of comparable size built one hundred years ago.
通过现在修建的建筑物和在一百年前修建的具有相同规模的建筑物在重量上的差异,我们可以衡量出这一领域的进步。
This law only requires testing of progress in math and reading.
VOA: special.2010.06.17
What's shown in this diagram is the progress of the developing embryo as it travels in time, down the fallopian tube.
这张图上显示的,就是胚胎发育的过程,是按照它在输卵管中移动的时间排序的
So I took this little interaction as sort of progress milestone in the proliferation of internet video.
所以我把这次交流作为一种网络视频,增殖过程中的里程碑。
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