查询词典 observational

In the second quarter of this century, enthusiasm for the observational approach began to wane.

在本世纪的第二个二十五年中，对观察法的热衷开始减弱。

This is an extraordinary and provocative observational fact.

这是一个不平常的，激动人心的观测事实。

Methods 250 primiparas were randomly divided into the observational group and the control group.

将250例产妇随机分为观察组和对照组。

METHODS: We performed a cross-sectional observational study.

我们进行了一个横断面观察性研究。

However, the new theory still lacked a major source of observational support.

不过，新的理论还缺乏一个主要来源的观测支持。

Methods 252 early pregnant women were randomly divided into the observational group and the control group.

将252例早孕且要求人流的妇女随机分为观察组和对照组。

Methods: This is an open and observational study.

此为一开放与观察性之研究。

Observational studies, like this one, don't prove cause and effect.

像这样的观察性研究，不证明因果关系。

Develop your observational skills to pick up interesting stuff in your surroundings to talk about.

提高你的观察技巧去捕捉你周围的有趣的素材来谈论。

They both have no well established observational data to check the theory.

他们均没有可靠的数据来检测理论。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。