Conclusions Ultrasound possesses a high value for the diagnosis of bigeminal pregnancy.

Objective To investigate the image characteristics and clinical value of ultrasonic diagnosis in bigeminal pregnancy.

目的探讨超声诊断双胎妊娠的声像图特征及临床价值。

There were atrial premature beats bigeminal rhythm in 15 patients and long pause (> 1.5 s) after atrial fibrillation ending in 9 patients.

15例患者有房颤前发生房早二联律。9例患者在房颤自然终止后出现>1.5s的长间歇。

The trade unions were afraid that the government would wield a big stick over them.

工会担心政府会对他们采取强硬手段。

I have a big mouth!

其实我的嘴挺大的！

I have a big mouth.

我有一个大嘴巴。

I'm not gonna tell you the secret as you have a big mouth.

我不会把秘密告诉你，因为你太多嘴了。

She knows I have a big mouth, Hung says.

她知道我口无遮拦，洪晃表示。

A big figure in the movement; big man on campus; he's very large in financial circles; a prominent citizen.

运动中的高大身影；学校里突出的人物；他在金融界非常突出；卓越的公民。

The researchers who investigated this phenomenon were inspired by the BP chairman's comment after the oil spill about the "small people." There are many such metaphors-think "big man on campus." Could these metaphors influence-or reflect-reality?

调查这种现象的研究人员从溢油事件之后英国石油公司董事长的一番对“小人物”的评论中受到启发。其实有很多这方面的隐喻——比如说“校园风云人物。”那么，这些隐喻是否能够影响现实或反映现实呢？

Loc Tran is a big man on campus at San Jose State University in Northern California.

洛克·陈（Loc Tran）是北加州圣何塞州立大学（San Jose State University in Northern California）校园里的名人。

you're gonna tell the whole world that there's a new big man on campus!

你就要去告诉全世界谁才是新的校园霸主！

Usually the big man on campus is much sought by girl students.

校园里的风头人物往往受到女学生的大力追求。

Make China dependent on trade with the west then when they seem to be getting too powerful pull out a big gun.

让中国在贸易商依赖西方世界，当中国快要变得过于强大时，就拔出枪（威吓中国）。

Justin is a big gun.

贾斯汀是一种长枪的牌子。

" I want a big gun," replied Gavroche.

“我要那支步枪。”伽弗洛什回答。

Maybe the guy who's coming is a big gun.

说不定这家伙是个大人物呢。

Based on a case study of the Watt linkage, the bifurcation equation with angle variables has been established in complex number field.

以瓦特六杆机构为例，在复数域内建立了以角度为变量的复数形式机构分叉分析方程。

In particular, arterial phase CT scan can be a good internal and external carotid artery bifurcation angle of observation changes, to determine the relationship between the tumor and the carotid artery.

特别是CT扫描动脉期可以很好地观察颈内外动脉分叉角度的变化，判断肿瘤与颈动脉的关系。

In empirical formula is presented for the calculation of the bifurcation discharge ratio with the effect of the river training works taken into consideration.

根据试验结果，文中还提出了本河段整治后分流比计算的经验公式。

The results indicate that: ( 1) Bifurcation ratio is positively related with the tree size and it is negatively related with the stand density. For the suppressed trees in stand, the bifurcation ratio does more affect from the stand density.

研究结果表明：（1）分枝率与林木的大小呈正相关，与林分密度呈负相关，且林分中生长水平越差的林木的分枝率受到林分密度的影响越大。