For a fixed ratio of N flux to the total flux of elements B and C,the flux ratio of element B to C has little influence on the total growth rate,but it determines deposition rate and bulk concentration of elements B and C.

• 在N流量与B和C流量和之比为定值时,B和C的流量比对此影响甚小,但B和C元素的生长率及它们在化合物中的含量则主要由B和C的流量比决定