罕见

Scientists will be screening chickpea and wheat collections in Pakistan for traits of economic importance for farmers; characterizing rare coconuts in Sri Lanka for traits of drought tolerance and tolerance to other pests and diseases; screening for salinity tolerance in sweet potatoes in Peru; and identifying drought-tolerant bananas in India.

科学家们将筛选鹰嘴豆，小麦收藏在巴基斯坦的性状的经济重要性的农民；特点罕见的椰子在斯里兰卡的性状的耐旱性和容忍其他害虫和疾病；筛选耐盐性的红薯，秘鲁，并确定乾旱容错香蕉在印度。

In recent years, the gene was also linked to Aicardi-Goutieres syndrome, a rare neurological disease that causes death in infants, and to chilblain lupus, an inherited disease associated with painful bluish-red skin lesions that occur during cold weather and usually improe in summer. The current research also links it to Sjogren's syndrome, a form of lupus.

在近几年，还发现这个基因与一种在婴儿期就致死的罕见的神经疾病Aicardi-Goutieres综合征有关；也与冻疮样狼疮有关，该病是一种遗传性疾病，表现为在寒冷天气发生的痛性皮肤蓝红斑，通常在夏天会缓解；研究显示该基因也与干燥综合征有关，它是狼疮的分型之一。

An extraordinary coincidence : Carrie had called in a woman to make some chintz covers for our drawing-room chairs and sofa to prevent the sun fading the green rep of the furniture.

4月13日一次罕见的巧合：卡丽找了一个女人帮她给客厅的椅子和沙发做印花棉套，以防这些家俱上的绿色棱纹平布在阳光下褪色。

This week, as Jupiter repeats it's rare, potent triple conjunction with Neptune and Chiron, you will see many more such hopeful signals.

这周，木星再现罕见而有效地与海王星和凯龙星结合，你将迎来更多的希望。

Mesenchymal chondrosarcoma is a rare malignancy occurring both in hard and soft tissues.

间叶性软骨肉瘤是一种在软组织及硬组织都很罕见的恶性肿瘤。

The only time I saw a tumor other than chondrosarcoma with this much chondroid matrix was a chondroid chordoma, which is very rare.

这也是我第一次看到软骨肉瘤产生这么丰富的软骨基质，也是非常罕见的。

Invasive molar pregnancy is extremely rare, but is one of te pre-cancer stage for choriocarcinoma.

侵袭性葡萄胎非常罕见，但却是绒癌的一种癌前病变。

Choriocarcinoma is not common and is frequently associated with a poor prognosis among testicular tumos.

在睪丸肿瘤中绒毛膜细胞癌是愈后相当恶性及罕见的一种。

Its rarest variety Alexandrite (the color change variety of Chrysoberyl), is quite well known, although the number of people who have heard of Alexandrite is probably 100 times greater than the number who have ever seen one, and 1,000 times greater than the number who have ever owned one.

金绿玉是一种极为罕见的亚历山大石（换言之是金绿色的亚历山大石），世界知名。亚历山大石闻其名百人之中可能有一人曾经亲眼目睹，千人之中可能有一人曾经拥有。

A hydrous copper silicate, Chrysocolla is a minor copper ore.

硅孔雀石是一种水合铜硅酸盐，一种极其罕见的铜矿石。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。