罕见

AIM: To report a rare case of optic perineuritis secondary to syphilis infection with severe visual loss showing a dramatic improvement following treatment with corticosteroids.

目的：报告1例罕见的由梅毒感染引起的视神经周围炎，经皮质类固醇治疗后严重视力缺损得到显著改善。

The lesion was very uncommon. The etiology may be a focal inflammatory response around the feeding arteries in the perineurium. The results of surgical treatment were good.

非创伤性桡神经麻痹伴神经多段束带样病变临床罕见，其病因可能是神经外膜、束膜内的血管炎；手术治疗效果良好。

This type of voluntary control over the peripheral vascular system is rare.

这种类型的自愿的控制权，周围血管系统是罕见的。

Mesothelioma is a rare form of cancer of the Pleura and Peritoneum.

间皮瘤是一种罕见的癌症的胸膜和腹膜。

They can create personal food groups as well as hide uncommon foods making food database management very convenient.

他们可以创建个人食品集团以及隐藏罕见的食品，使食品数据库管理十分方便。

I can affirm that he is tenacious and pertinacious as are few.

我可以肯定，像他那样不屈不挠、百折不回的人是十分罕见的。

I can affirm that he is t acious and pertinacious as are few.

我可以 肯定，像他那样不屈不挠、百折不回的人是十分罕见的。

The ironrich and silicapoor liquids, commonly different from the low iron and silicarich liquids, are rare on the earth surface. There are not the same, which can be used to explain their petrogenesis at present.

在自然界中与普遍发育的具Bowen趋势的低铁富硅熔体不同，高铁贫硅岩浆非常罕见，也没有直接的现代类比物可以对比以解释其岩石成因。

Dated from Proterozoic to Mesozoic, they have poly-circle characteristics, found from one tectonic circle to another, which is very rare in the worldwide orogens. This reveals that the orogen and stable area of the world, the mantle and crust states of the Proterozoic and Phanerozoic are different in tectonic evolvement and dynamic process and that the rapakivi granite of the Qinling-Kunlun is a kind of orogenic granite different from the stable area of the Proterozoic.

它们出现在每一个大的造山旋回晚期，即向另一个构造旋回的转折期，这在世界造山带中是十分罕见的，反映出世界上造山带与稳定区元古宙和显生宙的地慢与地壳状态是不一样的，有着不同的构造演化历史和动力学过程，表明秦岭－昆仑地区的环斑花岗岩是一种有别于元古宙稳定区的造山型环斑花岗岩。

Pharyngeal tube current fish are rare in Dalian.

目前这种咽管鱼在大连比较罕见。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！