查询词典 rare

Dinning out in a restaurant in the evening is not often affordable in the provinces, though becoming less rare as the economic life improves.

在大城市以外的地区，晚间外出吃饭不太多见。

Two types of dark green three-leaf whorled leaves, Dioecism, rare monoecism, round cone.

雌雄异株，少同株，球果近圆球形。

Dioecism, rare monoecism.

雌雄异株或偶有同株。

In rare characteristic dipeptide, the higher optimal pH alpha-amylase had the greatest significance.

从低含量二肽来看，碱性的最显著，中性的最不显著。

Today, diphtheria is rare in developed countries, primarily because of widespread vaccination.

目前，白喉在发达国家已很少见，主要是因为这种疾病的疫苗已经广泛应用。

Diphtheria is rare in the United States and Europe, where health officials have been immunizing children against it for decades.

白喉是罕见的，美国和欧洲，在那里的卫生官员已免疫儿童免受它几十年。

Molecular genotyping is validated as a method to confirm a diagnosis of CHM by demonstrating androgenetic diploidy and to resolve p57-positive cases into diandric triploid PHMs, biparental diploid nonmolar specimens, and the rare CHM with aberrant p57 expression.

分子基因型检测显示父系二倍体能确诊CHM，并能将p57阳性病例分类确诊为雄性异型三倍体的PHMs、双亲二倍体的非胎块性病变和罕见p57异常表达的CHM。

It is rare to find ptosis and diplopia as the chief complaints.

额窦黏液囊肿不常以复视和眼睑下垂为主要的症状表现。

The institute has a collection of over 800,000 specimens, including a number of type specimens in Heteroptera, Diptera and Lepidoptera and some rare species.

本所标本馆拥有采自中国和其它国家的昆虫标本80余万号，其中包括一批半翅目，双翅目和鳞翅目的模式标本以及其它一些珍贵的昆虫种类。

However, the impact of cascading hydropower development on the Dipterocarp forest and the rare and endangered plants and animals should not be neglected.

为了最大限度地降低工程建设对生物多样性造成的影响，针对本项工程的特点，文章从五个方面提出了相应的建议和措施。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐