查询词典 YR

Mantle-field radiation therapy for Hodgkin lymphoma quadruples risk of breast cancer over the next 20 to 30 yr.

治疗霍杰金淋巴瘤所用的斗篷射野放疗可使其未来20－30年间的乳腺癌危险性增加4倍。

From 1,000 yr BP to today. Penguin rookeries changed in response to climate change, however, this fluctuation was slight.

第四阶段，距今1，000年以来，总体上 Y2湖周围保持一定规模的企鹅聚居，期间随气候变化，企鹅聚居地有一定的变化。

Be sure to fill in Payment Details:"PAY IN FULL",Purpose for yr Remittance:"Cash","private remittances", or "alimony", please do not fill order payment.

请务必填写付款方式的细节：&足额&，汇款目的填写&现金&&私人汇款&或&赡养费&，请不要填写订单付款

ACCORDING TO YR INSTRUCTIONS IN THE CURRENCY OF THE CREDIT.

DING上往，相信还有很多人用的着这个的

Formosana saplings in the cypress stand, the 45-yr-old natural regenerated cypress stand in chi lan-shan area northeastern Taiwan was selected as the research site. The study focuses on the variation of crown morphology and structure pattern of different crown class trees to explore the ability of growth adaptation.

本研究以栖兰山地区天然更新已届45年之扁柏林分，就其林分中不同冠级之台湾扁柏林木为研究对象，测量分析其树冠形态及结构，探讨林分内不同大小的林木生长调适能力。

The sediment discharge from 1980 to 2004 of the catchments of Shimeng reservoir is 13.7 Mt/yr.

在河流输砂量的统计方面，石门水库上游从1980年至2004年之平均年输砂量为13.7百万吨。

METHODS: Fifty-three healthy children younger than 2-yr-old were studied.

53位小于2岁的健康儿童参与研究。

Results Ninety-eight percent were men with a mean age of 51.5 yr.

结果 98％的患者为男性，平均年龄为51.5岁。

YR-cohesion chromosome model will give a better answer to the questions such as exchange,centromere,holocentromere,synaptonemal complex,polytene chromosome,puff,lampbrush chromosome,chromosome banding,non-segregation of sister chromatid,pollentube pathway and biological evolution.

YR-染色体模型能自然、合理地解释所有遗传现象，如交换、着丝粒、全身着丝粒或弥散型着丝粒染色体、同源染色体联会及联会复合体的中央区、多线染色体与膨突、灯刷染色体、染色体分带、姊妹染色体由前期到中期不分开、花粉管会导入外源遗传物质、高等生命是怎样从原始生物进化而来的等等。

Her goal is to give Deborah the ability to choose between the reality of Earth, despite all its faults and problems, over the phantoms of Yr.

她的目标是为德博拉能力之间作出选择的现实，地球，尽管所有的错误和问题，在幻影的年。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。