2) critical period
关键期
1.
In rats, postnatal 3 to 5 weeks are critical for their development (namely, critical period), during which the excitatory and inhibitory synapses mature to form functional circuits in visual cortex.
哺乳动物视觉系统的发育延续到出生后,大鼠出生后3￣5周是视觉系统发育的关键期。
2.
This paper deeply explores impairment and non-impairment from three perspectives, such as whether critical period constitutes the obstacle for the feature accessibility, what the initial state of functional category is, whether the surface morphological features are relevant to syntax, and states that they.
从关键期是否构成功能语类重设的障碍、功能语类习得的初始状态、表面缺失形态特征与句法是否相关等三方面就损伤说与非损伤说两种观点进行深度剖析,最后将中介语法纳入Herschensohn(2000)的二语习得阶段理论框架,两种观点其实并不矛盾,而属同一过程的不同阶段,进而解构有关中介语法损伤的争论并揭示中介语法发展的心理表征过程。
3.
This paper analyses some problems and misconceptions in English learning and teaching in China: Does there exist a critical period in language learning? What s the difference in language learning between adults and children? It also provides the author s viewpoints and suggestions about language teaching and learning.
文章就我国目前英语教学中所存在的问题及误区,如语言学习有没有关键期的问题、成人学习外语与儿童学习母语的差异等方面进行了探讨,并就解决这些问题阐述了自己的观点。
3) key period
关键期
1.
There exists a key period for infants to learn words.
婴幼儿学认字也有关键期。
2.
Childhood is a key period for a person to develop his will and character.
幼儿期是一个人意志品质形成的关键期。
4) critical period
关键时期
1.
Strategic construction on social contradiction in critical period and harmonious society;
关键时期的社会矛盾与和谐社会的战略构建
5) critical period
[心]关键期
6) key pest period
关键虫期
1.
The results showed that the predators substantially occurred in cotton fields,and the 3rd and 4th instars of the 2nd generation of the bollworm was the key pest period.
结果表明:由于棉田捕食性天敌的大量发生,北疆棉铃虫2代的3、4龄是关键虫期;另外,2007年2代6龄发生期大量降雨,气温很低,空气潮湿,不利于棉铃虫幼虫的发育生长,同时茧蜂和寄蝇等寄生性天敌也大量发生,因此6龄也是关键虫期。
补充资料：到期日期
到期日期 Maturity Date
定义：
借贷方向投资者偿付债券本金或其他债务的日期，也是停止支付利息的日子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。