不常

Eat calcium medicine, and often the sun, it is impossible to calcium deficiency, you said:"It suddenly discovered a few days eversion ribs."

常吃补钙的药，而且经常晒太阳，是不可能缺钙的，你说："这几天突然发现肋骨外翻。"

On the plain scan of CT, the appearances of the aneurysmal bone cyst were the various expansile changes. In destruction of bone, the capsular districts and septation can be seen. On MR T1WI and T2WI, we can see the low signal ring of the diseased region borderline, the diseased region bulk was full of fluid which has miscellaneous signals, it can be seen the low or slightly high signal. In the diseased region, the septation which have low signals both on the T1WI and T2WI can be seen.

在CT上动脉瘤样骨囊肿表现为溶骨性骨质破坏，常有不同程度膨胀性改变，骨质破坏区内可见囊状低密度区及骨性分隔，MRI表现为T1WI及T2WI上可见病灶边缘有低信号环，病灶内主体部分充满囊状液体，信号混杂，在T1WI低或中高信号，在T2WI上呈不均匀高信号，病灶内可见T1WI及T2WI上均呈低信号的分隔。

Presently, many scientific research institutes have been investigated factoid questions frequently-asked questions, some mature question-answering systems have been widely recognized. But few institutes are doing research on special domain and complex questions.

现今大多数的问答系统对于简单的事实性问题和常问问题的回答已经达到了很高的准确率，然而对于特殊领域和复杂问题回答研究的很少，而且准确率不高。

The symptoms of stimulate meninges was unrepresentative,two sides pathological reflection was often positive,the falling sickness paroxysm was few than younger,distinguished the clinical characteristic of SAH in early phase is the key of prevent misdiagnose.

脑膜刺激征不典型，双下肢病理反射常阳性，癫痫发作较中青年少见，早期识别SAH的临床特征是防治误诊的关键。

Out of a starting point in a constant featureless environment, life spontaneously diversified.

在一个恒常不变没有特色的环境里起始出发，生命仍会自发走向多样化。

It seems to be part of human nature for people to feel dissatisfied with their lives or situations at one time or another...There always seems to be someone else who has it easier, or who is luckier or more successful.

人们常对自己所拥有的生活或环境感到不满足，总是认为别人比我们能更轻易的拥有、更幸运或者是更成功，而这似乎是人类天性的一部份。

Locoweed is one of the st serious toxic plants in the word, often caused a large number of livestock deaths, fetation miscarriage, premature birth, stillbirth and fetal dysplasia, high rate of empty fetation, Sire infertility etc, resulting in great loss of animal husbandry.

疯草是全球危害最严重的一类有毒植物，常引起大量的家畜死亡，孕畜流产、早产、死胎以及胎儿发育不良，空怀率高，公畜不育等，给畜牧业造成巨大的损失。

Such often occurred in feudal society, and should not take place in a socialist country.

这种事常发生在封建社会中，而不应该发生在一个社会主义祖国中。

The large defects at articular cartilage are often repaired by fibrocartilage rather than normal hyaline cartilage .

大的关节软骨缺损常由纤维软骨而不是正常的透明软骨修复。

It is such a fickle game that the answer seems to change every season.

这是个常新的话题，答案似乎每个赛季都不一样。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。