The shape of this line between night and day varies with the seasons, which means different lengths of days and differing amounts of warming sunshine.
这条黑夜与白天分界线的形状随着季节的变化面变化，它代表着不同的白天时间长度和不同的阳光照射量。
Rapidly changing refraction due to turbulence along the line of sight affects different colors of light by different amounts and generally produces a twinkling effect for stars.
由于湍流而快速变化的折射在视线中会影响到光的不同颜色，这种影响也各不相同，一般会给恒星产生一种闪烁的效果。
Only one parameter in the algorithm needs identifying on line and the inverse matrix needs not to be computed, which reduces amounts of computation greatly.
该算法只需在线辨识一个参数，不必求逆矩阵，极大地减少了计算量。
Trace amounts of molybdenum in water and soil extract samples were determined using a dual column on-line ion-exchange preconcentration FIA-ICP system.
本文采用双柱在线离子交换预浓缩FIA-ICP系统，建立了水及土壤浸出液中痕量钼的测定方法。
Our own immune cells produce significant amounts of hypochlorite as a first line of defense to kill invading microorganisms.
我们自身的免疫细胞产生大量的次氯酸钠作为杀死入侵微生物第一道防线。
Our own immune cells produce significant amounts of hypochlorite as a first line of defense to kill invading microorganisms.
我们自身的免疫细胞产生大量的次氯酸钠作为杀死入侵微生物第一道防线。
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