biological crust

常见例句

Biological crust had no significant effect on some stages of plants, because some plants growth exceeded the range that effect of biological crust.
而无影响可能是由于一些植物的生长已超出了生物结皮的影响范围。
There is an abundant biological crust on the sand surface of the desert, which serves as one of the biological factors contributing to the sand fixation besides plants.
该沙漠广泛发育的生物结皮，是除种子植物以外固定沙面的重要生物因子。
In generally, the results showed that the effect of biological crust on both different vascular plants and different life history stages of one plant were variable in arid and semi-arid regions.
本研究表明，在干旱、半干旱区，生物结皮对不同种的维管植物影响不同；对同种植物不同生活史阶段的影响亦不同。