当然，有些事实证据是有效的，比如玛雅人的确有一个长记历的历法，地磁反转理论也的确存在，太阳活动的确在减弱等等。
Certainly, some of the facts at hand are valid; for example, the Maya did have a Long Count calendar, pole-shift theory does exist, and solar activity does wax and wane.
小菜蛾幼虫被寄生后，其4龄发育历期较未被寄生的显著长，且寄生时龄期越大4龄历期延长越多。
The parasitized DBM larvae had prolonged their 4th instar duration obviously, and the later the larva had been parasitized, the longer this extended duration became.
建立了有广泛适应性和较高准确性的麦长管蚜发育历期、寿命、存活、生殖模型。
Models of development, longevity, fecundity and survival with widely adaptability and higher accuracy were constructed.
结果表明，三交种株高、叶绿素含量、穗长等性状与单交种的变异系数差异不显著，但群体抽穗历期延长；
The variation coefficient of TCH was similar to CKs in plant height, chlorophyll content, panicle length, and so on. The heading duration of TCH population was longer than those of CKs.
连续黑暗时的发育历期比光照下的长，发育速率慢；
The growth period gets slowly and the growth speed get faster if in continues dark and high temperature.
连续黑暗时的发育历期比光照下的长，发育速率慢；
The growth period gets slowly and the growth speed get faster if in continues dark and high temperature.
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