有关放大摄影的叙述,错误的是
A、首先应计算放大倍数D
暂无解析
Edisontestedmorethanonethousandmaterialstoseeiftheycould_____electric;currentandglow.
Theonly______(effect)waytodevelopinternationalskillsandperspectivesisthroughdirectinternationalexperience
Iwasoverjoyedatthenewsofmycounty_____somuchprogress.
将一批树苗种在应该正方形花园边上,四角都种,如果每隔3米种一棵,那么剩下10课树苗,如果每隔2米种一棵那么种满正方形的3条边,则这批树苗有()棵
设数列收敛,则()