例句與造句

1. ( 2 ) to b - cuo delay composition , the smaller particle size , the lower average linear burning rate , the better delay precision , and the higher mechanical intensities
   ( 2 )對b ? cuo延期藥，原材料的粒徑越細，其平均燃速減?。欢悠诰忍岣?，壓藥強度增強。
2. It's difficult to find linear burning rate in a sentence. 用linear burning rate造句挺難的