A small but significant number of 11-year-olds are illiterate.數量不多但仍有相當一部分11歲孩子是文盲。There 50 percent or more of the population is illiterate.那里50%或更多的群眾是文盲.There are still many illiterate people in our country.在我國還有許多文盲....
A small but significant number of 11-year-olds are illiterate.數量不多但仍有相當一部分 11 歲孩子是文盲。There are still many illiterate people in our country.在我國還有許多文盲.Artwork depicted the historical sagas and biblical tales for the illite...
比較不常見的浸蝕多聚物的化學浸蝕物有酸 、 堿.Less common reagents that attack polymers include acids, bases.簡要介紹了磁性納米顆粒 、 硅納米 顆粒及陽離子多聚物顆粒等的研究進展.The magnetic nanoparticle, silica nanoparticle and poly - cation nanoparticle were introduced bri...