高分辨率层序地层学有四大基本原理，即基准面变化原理、物质守恒原理、沉积物体积分配原理和相分异原理。

There are four basic principles in high-resolution sequence stratigraphy, which are base level change, substance conservation, volumetric partition, facies differentiation.

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车前各器官干物质分配率在生育期间有较大变化。

The distribution rates of dry matter of its organs changed greatly during its growth period.

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几天之后，测验封闭在里面的空气是否有放射性。如果有的话，说明营养物质多少已经产生代谢变化。

After several days, the enclosed atmosphere was tested for radioactivity, which might indicate that the nutrients had somehow been metabolized.

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