| 1. | This is called a deseasonalizing time series . 这叫调和时间数列。 |
| 2. | The data array is one of the simplest ways to present data . 数据数列是表达资料的一种最简单的方法。 |
| 3. | Geological data can be presented as a regularly sampled series . 地质数据可以表示有规律的取样数列。 |
| 4. | We can see whether any values appear more than once in the array . 可以看出数列中每一个值的出现是否多于一次。 |
| 5. | We shall study a very particular kind of sequences, called convergent sequences . 我们将研究称为收敛数列的很特别的一类数列。 |
| 6. | The third "l" shows that the series is leading all turns of the business cycle . 第三个安母“L”表明这个数列领先于周期的高峰。 |
| 7. | Since the data are available on a quarterly basis we must first deseasonalize the time series . 由于数据随季节而变化,所以必须对时间数列进行调整。 |
| 8. | These composite indices are derived by standardizing each of its component series . 这些综合指数是使通过把它们的组成部分中的各个数列标准化而获得的。 |
| 9. | The turning points of the series in this group precede those of the business cycle by two to ten months . 这组数列的转折点领先于商业周期转折点约210个月。 |
| 10. | We use the term time series to refer to any group of statistical information accumulated at regular intervals . 按照相等的时间间隔收集起来的一组统计数据叫时间数列。 |