好许多 meaning in Chinese

in calculus joe is head and shoulders above his classmates

Cut a large number of strips of adhesive plaster before beginning .
开始之前，先剪好许多胶布条。
My grandmother had a side pillow , the hand feeling is cool , when it was shaken it made pleasant sound , grandmother called it “ silk sandy pillow ” , when you has headache or feels dizzy , use it you will feel better , in fact , it is made of silkworm excrement
奶奶有个小枕头，用手摸着凉凉的，拿起来哗啦哗啦响，奶奶说叫“蚕沙枕” ，头疼脑热的，枕上它会感觉好许多，其实，它是蚕屎做的。
As for conventional weapons , it ’ s low cost , easy to maintain , flexible to use and consumed heavily ; especially when there are multi small targets , cannon shell could be superior to missile in damaging effect , so many countries make precision guided munitions as the primary developing direction of the conventional arms
常规武器制导造价低、易于维护、使用灵活、消耗量大,尤其是在面对多个小型目标时,制导炮弹的打击效果要比导弹好许多,因此,很多国家都明确地把精确制导武器列为常规武器发展的重点;相比之下,我国在这方面的发展则显得比较落后。