查询词典 backward difference

difference quotient：差分商

difference of level 落差 | difference quotient 差分商 | difference schema method 差分格式法

difference schema：差分格式

difference quotient 均差 | difference schema 差分格式 | difference sequence 差数序列

difference sequence：差数序列

difference schema 差分格式 | difference sequence 差数序列 | difference set 差集

difference sequence：差值顺序

差值算子 difference operator | 差值顺序 difference sequence | 差音 difference tone

difference sequence：差分顺序

"difference potential ","差电位,电压" | "difference sequence ","差分顺序" | "difference signal ","差信号"

difference sequence：差分序列

difference sensitivity 听觉锐度 | difference sequence 差分序列 | difference set 差集,差集合=>差集合

difference set：差集合

difference limen 弁別限 | difference set 差集合 | difference table 差分表

difference set：差集,差集合=>差集合

difference sequence 差分序列 | difference set 差集,差集合=>差集合 | difference signal 差信号

difference set code：差集码

difference of tide 潮差 | difference set code 差集码 | difference set 差集

difference table：差異表

差集 difference set | 差異表 difference table | 差異檢視器 difference viewer

dioptric：折射光学的

dioptre 屈光度 | dioptric 折射光学的 | dioptrics 折射光学

Saturdays are fun：星期六很有趣

6. Saturdays are fun.星期六很有趣. | fun 为不可数名词,"快乐,有趣",在此做表语. | That must be fun. 那一定很有趣.