英语释义

1. to form or shape beforehand

2. to bring to approximate preliminary shape and size

3. any of various objects of manufacture or handicraft after preliminary shaping: such as

4. a rough gemstone that has been cut to approximately its finished size and shape

5. a tube produced for the purpose of being molded into a particular form (such as a bottle)

片语

Preformed crown预成型牙冠

preformed winding成形绕组

preformed groove预留槽

preformed vitamin已形成的维生素A

preformed stemming预制成型炮泥

preformed leads预成形引线

Preformed hole预留孔

preformed paste预成型的膏状物

preformed precipitate预沉淀

英汉例句

• a new kind of casting preformed block is introduced.

  介绍一种新型浇注料预制块。

• the reactivity of human preformed natural antibodies with various porcine pancreatic cells was determined by indirect immunofluorescence staining technique .

  采用间接免疫荧光染色法检测人预存天然抗体与猪胰腺细胞的反应性。

• the colorimetric methods involve the bleaching of a preformed color by the fluoride ion.

  比色法涉及氟离子对预先形成的颜色的消色作用。

• the thinking mode of traditional college english teaching is preformed and ready-made patterns of thinking.

  传统大学英语教学思维模式是预成的、现成性思维模式。

• methods: basedon traditional operative methods was new the excision method of skin and orbicularis oculi according to different quantity and time, preformed to 198 cases in eye lid blepharoplasty.

  方法：以传统的三种眼袋整形手术方法为基础，对198例眼袋整形的患者进行了皮肤和肌肉两层分离法的术式研究。 两层分离法主要采用皮肤与眼轮匝肌不等量、不同步切除。

• farnesol can also express antimicrobial activity when predried on titanium discs and when added to preformed biofilms.

  当在钛合金盘中放置干燥的法尼醇和将其添加到已形成的生物膜中时，法尼醇也表现出抗菌活性。

• insulate any pipes that run through unheated crawl spaces. wrap them with fiberglass insulation and tape or put preformed pipe sleeve insulation along the pipes, then tape the sleeves in place.

  对于穿行于低温狭窄空间的管路，可用玻璃钢保温材料或胶带包覆或者将预制好的套管套在管子上，并用胶带固定。

• god won「t ask what yout job title was, he」ll ask if you preformed your job to the best of your ability.

  上帝不会问你的职位，他会问你是否有充分发挥自己的才能。

• this paper studies the production process of one mould of preformed strain clamp.

  本文探讨了一种预绞式拉线耐张线夹模具的加工工艺。

• the blade precision forging process is simulated by the backward simulation system, and the reasonable preformed billet shape of blade body is obtained.

  采用该系统对叶片精锻过程进行了三维反向模拟，获得了叶片叶身部分合理的预成形毛坯形状。

• great works are preformed not by strength but by perseverance.

  伟大工作的完成，不是凭力量，而是凭毅力。

• the service life of the preformed block applied in igniters of sintering machine is 2~3 years.

  该预制块应用在烧结机点火器上，使用寿命可达2～3年。

• anchoring of small molecules ligand or metal complexes on preformed polymers.

  小分子配体或配合物锚连于高分子载体。

• it means that readout will be preformed at the same time, when software tries to performed ecc correction.

  这意味着，读出将被预先在相同的时间，当软件试图执行ecc纠正。

• the passenger car radial tire with preformed tread was compared to that with conventional tread.

  对使用预成型胎面和使用普通胎面的轿车子午线轮胎进行了对比试验。

• preformed hole allows for convenient tagging.

  预制的孔使得标记简单方便。

• a first electrode is located at the preformed biased portion and is arranged to provide sensing or stimulation to the first myocardial contact area.

  第一电极位于预成型偏向部分上，设置将检测或激励提供给第一心肌接触区域。

• people want information on how well they have preformed and feedback control provides that information.

  因为人们希望获得评价他们表现的信息，而反馈正好提供了这样的信息。

• in an example, the lead assembly includes a second preformed biased portion at the distal end of the lead body.

  在一个例子中，导线装置包括在导线体远端上的第二预成型偏向部分。

• but there is divergence in these theory on the issue that if the law of society is preformed law.

  但在社会规律是否是预成规律这个问题上又存在着分歧。

• this new folding pond shell has all the benefits of its black preformed predecessor , but both the pond and the streamlet look like rock .

  这种新的折叠池塘壳牌的所有优点，它的黑色预制的前任，但无论是池塘和小溪样子坚如磐石。

• evolution is not going to arrive as a preformed package on your human doorstep.

  进化，不会如同一个预先制成的包裹，放置在你们人类的门阶上。

• at least one preformed coil is used to attach the first end of the base fabric to the second end.

  至少一种预成形线圈用来将该基底织物的第一端连接至第二端。

• toe boards are to be of wood construction, aluminum, or steel preformed to match the scaffold.

  隔板必须是与脚手架匹配的预制木材、材或钢材结构。

• great works are preformed not by strength, but by perseverance.

  伟大的事业是靠恒心而不是靠力量完成的。