一颗受精的鸟蛋内有了胚胎后，不一定能成功发育成小鸟。其中，温度是最重要

一颗受精的鸟蛋内有了胚胎后，不一定能成功发育成小鸟。其中，温度是最重要的因素。鸟蛋的温度必须在37摄氏度之间，才能孵育新生命。

Results (English) 1:

Once you have a fertilized embryo in the egg, not be able to successfully develop into birds. Among them, temperature is the most important factor. Eggs temperature must be between 37 degrees Celsius to a new life incubation.

Results (English) 2:

When a fertilized bird has an embryo in it, it does not necessarily develop into a bird. Temperature is the most important factor. The temperature of the bird's eggs must be between 37 degrees Celsius to incubate new life.

Results (English) 3:

When a fertilized bird has an embryo in its egg, it may not succeed in developing into a bird. Among them, temperature is the most important factor. The temperature of a bird's egg must be between 37 degrees Celsius to incubate new life.