英德
有道
百度
谷歌
图片
维基
百科
半样本 [bàn yàng běn]
half-sample
- 一些研究着眼于大样本人群中同型半胱氨酸与心脏事件和卒中的关系，一些重点研究发生共同遗传突变导致同型半胱氨酸发生轻度升高的人群，还有就是研究降低同型半胱氨酸水平的作用（随机对照实验）。
Some studies looked at homocysteine and the occurrence of heart attacks and strokes in large numbers of people (cohort studies), some focused on people with a common genetic variant which increases homocysteine levels to a small extent (genetic studies), while others tested the effects of lowering homocysteine levels (randomized controlled trials). - 我们进行半结构化的访谈，在谈话期间请病人留下笔迹样本，或在疾病发作前收集笔迹样本。
We conducted semi-structured interviews and asked for handwriting samples carried out at the time of the interviews as well as samples from before the onset of the illness. - 文摘:讨论了典型弹种的选取和储存试验环境的选择,建立了半可燃药筒弹药的安全性模型和可靠性模型,据此提出了储存可靠性的试验项目,初步确定了抽样时机和样本量。
Abstract: This paper discuss the selection of typical ammunition and storage test environment, sets up safety model and reliablity model about semi-combustible cartridge, presents the test items of storage reliability, and preliminarily determines the sampling opportunity and sample book quantity.
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中国词汇量第二的英语词典
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