查询词典 triangular number

improper fraction","the numerator less than the denominator：假分数

"真分数","proper fraction","a number below the line of a fract... | "假分数","improper fraction","the numerator less than the denominator" | "带分数","mixed number","the numerator greater than denomina...

decrease in number：数目减少

There was a decrease in the number of children in school. 在校的儿童人数有所减... | decrease in number 数目减少 | 2. As a result these endangered animals may even die out.结果,这些濒临危险的动物可能会灭...

index number：指数;索引编号

index mirror 动镜 | index number 指数;索引编号 | index number 指数索引编号

quality index number：质量指数

(一)按所反映的内容不同,可以分为数量指数(Quantity index number)和质量指数(Quality index number). 数量指数是反映物量变动水平的,如产量指数、商品销售量指数等;质量指数是反映事物内涵数量的变动水平的,如价格指数、产品成本指数等.

infinite sequence of number：无穷数列

有穷数列 finite sequence of number | 无穷数列 infinite sequence of number | 递推公式 recurrence formula

number initial set：号首集

号首 number initial | 号首集 number initial set | 合波器(板) Optical Multiplexer Unit OMU

integral number of times：整倍数

integral number 整数 | integral number of times 整倍数 | integral of absolute value of error 绝对误差积分

inverse number：倒

inverse law 逆定 | inverse number 倒 | inverse of a number 倒

inverse of a number：倒

inverse number 倒 | inverse of a number 倒 | inverse operation 逆运算

iodine number：碘值

iodine flask 碘量瓶 | iodine number 碘值 | iodine number flask 碘量瓶

Camphorwood：香樟

camphor oil 樟脑油 | camphorwood 香樟 | camp process 水泥保护木柱法

platinum resistance thermometer sensor：铂热电阻

plateau,平台;坪 | platinum resistance thermometer sensor,铂热电阻 | playback apparatus,回放仪