Together, the pair will measure the variation in height across the globe to an accuracy of better than two metres.
这对卫星将在全球范围内一起测量地表高度变化，其精确度低于2米。
2
It is not until each measure is systematically compared to a company's past variation and the industry's variation that an accurate assessment of a deviation can be made.
直到每个措施是系统地与公司过去的变化和行业的变化进行比较，才能准确评估偏差。
3
Standard deviation is a measureof dispersion, variation or spread.