Before a noun or adverbial phrase, bothBfrombandBtobare acceptable in British English.
若用在名词或状语短语前，英式英语使用。

Allow subframes to navigate across different domains.
是否允许子框架跨域浏览

The base station110 may be based on the number of users served adjust the assignment of subframes.
基站110可基于所服务的用户的数量来调整子帧的指配。

In this sense Bfreightbcan also be a verb
意为运输时, 也可作动词

The preceding and following subframe contain assignments to the mobile terminal120.
前面和后面的子帧包含对移动终端120的指配。

Support the transmission with a wooden block on the chassis subframe.
用木块将变速箱支撑在底盘副车架上。

The front subframe is modified for extra camber and castor.
前副车架被修改为额外拱形和蓖麻。

Swivel the cardan shaft over the suspension subframe and install it.
将万向节轴旋转过悬架副车架并安装它。

Roman Monuments, Cathedral St. Peter and Liebfrauen Church in Trier
特里尔罗马式大教堂和圣母教堂

Subfraction and Characterization of Subfractions of Duck Serum High Density Lipoprotein
鸭血清高密度脂蛋白亚类的分离与鉴定

Concrete Mixers Subframe Failure Form and Improvement of Structure
混凝土搅拌运输车副梁失效形式和结构改进

The temperate nature decreases and the frigid and subfrigid elements increase as altitude increasing.
随海拔的升高，温带性质逐渐减弱，寒带亚寒带逐渐增强。

If you want sugarfree and carbfree coffee syrups, Dolce has both varieties.
如果你想要无糖，加州免费咖啡糖浆，尔西塔既有品种。

subfrontal epidural hematoma
额叶下部硬膜外血肿

The gold and purple sunsets color the subfreezing waters of the Arctic Ocean.
金色和紫色的夕阳把冰点以下的北冰洋水染成了五颜六色。

Subfreezing temperatures obliterate these vessels and this leads to tumor destruction by devascularization.
这些脉管会由于低温而收缩，使肿瘤因血供应阻断而消灭。