实验点与对照点相比，钉螺生殖腺丰满度的月份变化不相一致。
The dimension of snail's spermary or ovary varied with month and the trend was not identical among the spots.
根据2005年渔业资源监测船生产调查资料和现场取样数据，运用数理统计方法分析了虾拖网副渔获组成及其月份变化等。
Based on production investigation and sampling data by fishing vessel in 2005, composition and monthly variation of by-catch were analysed with data analysis tool of Microsoft Excel.
因为日历上变化的月份长度，所以对于时间间隔有两个不同的标准测量单位。
There are two different standard units of measure for intervals because of the varying month lengths in calendars.
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