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词汇 Normal values
分类 英语词汇 英语翻译词典
释义

Normal values

英语例句库

Objective:To survey the normal values of pelvic inclination of external pelvimetry and to provide evidence so as to estimate dystocia risk index for antenatal care.

测量骨盆倾斜度外测量正常值,为产前检查估计难产风险指数提供依据。

原声例句
球球的电影

I find her contempt for normal values pretentious.

她习惯于对那些平常的道德观不屑一顾。

英语百科

Reference range

（重定向自Normal values）
When assuming a normal distribution, the reference range is obtained by measuring the values in a reference group and taking two standard deviations either side of the mean. This encompasses ~95 % of the total population.
A log-log graph showing the standard deviation of a standard reference range limit (SDSRRL) on the y-axis, as a function of the sample size on the x-axis.
Some functions of log normal distribution (here shown with the measurements non-logarithmized), with the same means - μ (as calculated after logarithmizing) but different standard deviations - σ (after logarithmizing).
Coefficient of variation versus deviation in reference ranges established by assuming arithmetic normal distribution when there is actually a log-normal distribution.

In health-related fields, a reference range or reference interval is the range of values for a physiologic measurement in healthy persons (for example, the amount of creatinine in the blood, or the partial pressure of oxygen). It is a basis for comparison (a frame of reference) for a physician or other health professional to interpret a set of test results for a particular patient. Some important reference ranges in medicine are reference ranges for blood tests and reference ranges for urine tests.
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