准噶尔盆地南缘的郝家沟剖面三叠系—侏罗系连续发育，是研究三叠系—侏罗系界线及相关地质问题的重要剖面。
The Haojiagou section, located in the southern margin of the Junggar Basin, is of great significance in studying the Triassic-Jurassic Boundary events.
燕山地区是中国北方中—上元古界地层最为发育的地区，整个地区露头连续、地层齐全、沉积稳定。
The Yanshan area is the most developed region of the Meso - and Neoproterozoic stratum in north China, the whole area has continuous outcrops, complete stratum and steady deposition.
以自由授粉群体和品系间杂种为对照，研究了甘蓝型油菜连续自交后代在胚胎发育上表现的效应。
The effects of successive inbreeding progenies of Brassica napus L. on the embryo development were studied in comparison with the open-pollinated population and hybrids from inbred lines.
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