英语词根,记单词,BI表示二的用法,学以致用bi- 表示,二,两
binoculars英 [b??n?kj?l?z] 美 [b??nɑ:kj?l?rz]
n.双筒望远镜;[光] 双筒镜
例句:He raised the binoculars again and zeroed in on an eleventh-floor room.
他再一次举起双筒望远镜,瞄准了11层的一个房间。
He raised the binoculars to his eye again, scanning across the scene.
他再一次把双筒望远镜举到眼前,仔细观察整个现场。
She trained her binoculars on the horizon
她将双筒望远镜对准地平线。
binomial英 [ba??n??mi?l] 美 [ba??no?mi?l]
adj.二项的,二项式的
例句:In this paper, some combinatorial identities are proved based on binomial generating function.
以二项式作为生成函数,给出了几个组合恒等式证明。
The ruin probability of compound negative binomial risk model is considered.
考虑了复合负二项风险模型下的破产概率。
bivariate英 [ba?’v?r??t] 美 [ba?’v?r??t]
adj.二变量的,双变的
例句:Objective: To study a bivariate risk model with variable premium rate.
目的研究一类可变保费的双险种风险模型