Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.大孢子四分体为线形, 合点端功能大孢子发育成为蓼型胚囊.The chalazal megaspore of a linear tetrad develops into a polygonum type sac.四分体线行排列,合点端的大孢子发育为...
At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.Microspore abortion occurred after the tetrad formation.小孢子败育发生在四分体形成以后...
Some of it can be credited to mainland corporations borrowing more overseas.其中一些可以解释为大陆公司从海外借了更多的款项.The interest will be credited to the account once a year.利息每年一次会被记入账户.This wonder can only be credited to the nature.这种巧...
节目以瓦格纳的歌剧《漂泊的荷兰人》的序曲开场。The programme opened with the overture to Wagner's Flying Dutchman.彼得斯曾经漫无目的地四处漂泊。Peters had been adrift and aimless.我生活放荡不羁，漂泊不定。I am a bohemian. I have no roots....