查询词典 twins

In a study of nineteen sets of twins who had been separated from birth,investigations found that in approximately two thirds of the sets there were no more significant defferences than existed among unseparated pairs of twins.

大约三分之二的双胞胎之间的差异并不比未分开抚养的双胞胎之间的差异显著。上述句子形式上都是肯定的，但是意义上却是否定的。第一句通过free词缀实现否定意义，第二句通过no …… more than来实现否定意义。像这类句子就叫做暗否定。一般情况下，英语句子中的暗否定可以通过句子、短语和词来实现。

To give birth to twins .fraternal twins are biovular.

二卵双胞胎是源于两个分开的受精卵的。

Dizygotic twins - Twins born from the simultaneous fertilization of two different eggs by two different sperm.

双卵双胞胎-双城同时出生的两个不同的施肥鸡蛋由两个不同的精子。

Methods About 142 pairs of monozygotic twins and 86 pairs of dizygotic twins aged 5-19 were studied.

选取 5～ 1 9岁双生子 2 2 8对，其中MZ 1 4 2对，DZ 86对，在DNA卵性鉴定基础上，以成对法计算同病一致率、调整BMI前后组内相关系数及遗传度。

Our subjects included a total of 228 twin/sibling pairs aged 12 to 18 (130 monozygotic twins, 68 dizygotic twins and 30 sibling pairs) were recruited from the middle schools.

本研究收集了228对，年龄为12到18岁，国高中之双胞胎或手足配对（包含130对同卵双胞胎，68对异卵双胞胎，和30对手足配对）。

Methods The study population consisted of 180 pairs of twin girls aged 6 to 18 of whom.132 pairs monozygotic twins and 48 pairs dizygotic twins,who were all from Qingdao city of Shandong province.

以学校登记为基础募集6～18岁女性双生子180对，其中同卵双生子132对，异卵双生子48对，按Tanner标准进行青春发育分期，放免法测定空腹血清雌二醇(E2)和睾酮浓度。

Methods The study population consisted of 180 pairs of twin girls aged 6 to 18 of whom.132 pairs monozygotic twins and 48 pairs dizygotic twins,who were all from Qingdao city of Shandong province.

目的 探讨女性青春期发育前后血清雌二醇(E2)和睾酮的变化趋势，评价遗传与环境因素相对效应。

A sample of monozygotic twins (n = 130 pairs), dizygotic twins (n= 68 pairs), and sib-pairs (n = 30 pairs) aged 12-18 was studied.

本研究拟探讨瘦素与新陈代谢指标的相关，以及基因与环境因素之贡献。

The twin genetic investigation conducted by Sun-Chong WANG's cross-country research team (consisting of researchers from Canada, Sweden, Australia, and the US etc.) observed 114 pairs of monozygotic twins and 80 dizygotic twins.

由王孙崇带领的研究团队与加拿大、瑞典、澳大利亚、美国等研究人员合作，进行双胞胎基因研究，共分析114对同卵双胞胎与80对异卵双胞胎。

Objective To explore the change of serum estradiol (E2) and testosterone concentrations throughout the puberty of girls and estimate the effects of genetic and environmental factors on serum E2 and T concentrations.Methods study population consisted of 180 pairs of twin girls aged 6 to 18 of whom.132 pairs monozygotic twins and 48 pairs dizygotic twins,who were all from Qingdao city of Shandong province.

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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。