As the density of larvae was reduced, the volume of water in the rearing chamber was decreased by lifting it up, keeping the water line above the bottom of the rearing chamber.
当幼虫的密度是不断减少，在繁育间内的水通过提起圆筒而减少，保持水线在繁育间底部上。
The paper deals with the effect of fertilized eggs density and the larvae culturing density on the hatching and growth of clam, Cyclina sinensis .
本文报道了青蛤受精卵密度对孵化的影响和青蛤幼虫培养密度对生长的影响。
Negative correlation between tannin content and larvae density of X. rusticus was obvious.
单宁含量与青杨脊虎天牛虫口密度之间存在比较明显的负相关性。
The results showed that the higher the population density of the larvae, the less is the theoretical number of sampling clumps;
结果表明，幼虫的种群密度愈高，理论抽样数就愈少；
The number of larvae parasitized and attacked increased with increase of larvae density.
增加奇主密度可增加黄腹潜蝇茧蜂的寄生数和穿刺致死数。
The larvae density on the middle position was higher than the upper as well as the lower position of the tree, and was remarkable difference between them.
植株中部虫口密度较上部和下部大，差异显著，而上部和下部的虫口密度无显著差异。
The larvae density on the middle position was higher than the upper as well as the lower position of the tree, and was remarkable difference between them.
植株中部虫口密度较上部和下部大，差异显著，而上部和下部的虫口密度无显著差异。
应用推荐