generation number

常见例句

The theoretical number of the generations of L. pleuroti was 4~5 and identical with the practical generation number in mushroom house.
平菇厲眼菌蚊在蘑菇房發生的理論代數爲4～5代，與蘑菇房發生的4～5代相一致。
Taking the entropy generation number of a multi-backpressure condenser as the target function, the optimum structure of a multi-backpressure condenser has been obtained.
以多背壓凝汽器的熵産生數爲目標函數，得出了多背壓凝汽器的最優結搆。
The result of chronic toxicity experiment showed that the generation time obviously prolonged when the generation number increased in the cultivating liquids containing the two ions.
慢性毒性實騐結果顯示，隨著水螅在含兩種重金屬離子培養液中世代數的增加，水螅的世代時間有明顯延長的趨勢；

In 2012, for the first time in at least a generation, the number of active-duty soldiers who killed themselves, 177, exceeded the 176 who were killed while in the war zone.
FORBES: But There Isn't An Epidemic Of Suicide In The US Military
In one generation we went from number one to number 12.
WHITEHOUSE: Education: The Economic Issue of Our Time
Just last week, we learned that in a single generation, America went from number one to 12th in college completion rates for young adults.
WHITEHOUSE: The Importance of Education Reform