Pulse Echo Method ( PEM ) is a fast , economic and feasible method for Low-strain Dynamic Testing ( LDT ) of piles.

Flow field plate is one ofthe key parts in proton exchange membrane fuelcell ( PEM FC ).

流场板是质子交换膜燃料电池 ( PEMFC ) 的重要元件之一.

PEM system is an effective tool widely used in leakage localization and analysis of microelectronic device.

光发射显微镜(PEM) 系统是应用于微电子器件漏电流定位和分析的有效工具.

Let's go to transform the mud to PEM system.

去将本段泥浆转化成pem泥浆体系.

Among the new men stands boldly out William the Marshal, Earl of Pembroke.

在这些新角色中,彭布罗克伯爵,典礼官威廉最出人头地.

The patients with pemphigoid who suffered from gastric bleeding and mucous involved, their prognosis was poor.

类天疱疮中有黏膜损害 、 消化道出血者预后较差.

Only 10 cases of bullous pemphigoid ( BP ) in infants have been so far reported abroad.

1岁以内的婴儿大疱性类天疱疮国外仅有10余例报告,国内未见报告.

Pemphigus of the larynx and esophagus.

天疱疮的喉部和食管.

Secondary infection was common indirect cause of death of pemphigus and pemphigoid.

继发感染为天疱疮、类天疱疮共同的间接死因.

Paraneoplastic pemphigus , usually accompanied by tumour, is a kind of autoimmunity syndrome with multiple systems involved.

副肿瘤性天疱疮是累及多系统的与肿瘤伴发的一种自身免疫综合征.

Objective describe the clinical and pathological features of pemphigus.

目的:分析天疱疮的临床和病理特性.

...a holding pen for sheep...

暂时搭建的羊圈

The whole family were penned up in one room for a month.

全家人被关在一间屋子里达一个月之久。

He penned a letter to the local paper.

他给当地报纸写了一封信。

He missed the pen from the desk.

他发觉桌上的钢笔不见了.

My pen writes well.

我的笔好使.

The goats are penned in and fodder has to be cut and carried each day...

山羊被关进圈里，每天都得铡草运料。

He wasn't sure exactly how a fox could have got into the sheep's pen.

他不是十分确定狐狸是怎么进入羊圈的。

pen and ink

钢笔和墨水

At clipping time sheep need to be penned.

在剪羊毛时，需要把羊圈起来。

a sheep pen

羊圈