No creditable macrofossil record of the Fagaceae exists in the Cretaceous equivocal and require further study. 白垩纪尚无壳斗科可靠的大化石记录,微化石需要进一步研究才能确定亲缘关系以及古新世壳斗科已经分化出两个类群.
a Heath Robinson contraption复杂而不实用的装置Few kinds of plants grow in the heath.少有植物可在荒地上生长。Legumes ( family Fabaceae ) may also be common components of heath floras.一些豆类 ( 义的豆科 ) 可能是石楠区系的常见组分.Heath's appeal against the ...
Prepare yourself for a Dickensian romp complete with snow, street urchins and gentlemen in waistcoats.准备好迎接狄更生式的,包含积雪 、 街头顽童和穿着马甲的绅士的轻松情节.Some gentlemen were conferring close at hand, but took no notice of her.有几位先生就在旁边商...
观测开始之前的一项主要工作是认真选点.Careful reconnaissance is essential before observations begin.论述了用支撑柱加固无梁板的选点原则.The principle for choosing supporting points for strengthening flat - slab Was discussed.凡是由几个任意选点确定的球面都是同心面.The spherica...
The students'learning materials should be implemented with some extracurricular books.我们应为学生的教材补入一些课外读物.If you join the extracurricular activities , you can make many new friends.无论何时你说谎,都会对你的名誉造成损失.The money he mad...
通过优化液态发酵过程及提取精制过程中的相应措施, 可有效降低红曲桔霉素含量.By controlling fermentation and refining conditions, it is possible to reduce citrinin content in Monascus products....