that 在该句中有什么意义?We know that one day we must die,but usually we picture that day as far in the future

that 在该句中有什么意义?We know that one day we must die,but usually we picture that day as far in the future So there's reason to believe that we will get an answer to that piece of the puzzle oneday.that piece of放在这里有什么意义? Kn在重量单位里代表什么? We are so _____(excite) to hear that we win te match.该填什么? 力值在（50-130）KN之间的拉伸试验应该在那个试验机上做?{WE-1000B数显万能材料试验机和WE-600B万能材料试WE-1000B：1000KN无档 分辨力是0.01KNWE-600B ：0-600KN注：WE-600B属三档分别是0~120KN; 分辨力0.5kN It is important to utilize much of information we have accumulated about the natural world.请问该句中是否在WE前省略了that?若是,that在什么情况下可省?第一问请较详细说明,第二问可略简. KN/㎡ 什么单位 Kn/m什么意思? kn表示什么单位 KN.M什么意思 BMC KN什么意思? such.that 和so...that在意义上有什么区别. Each time we celebrate a festival it changes a little and in that way we keep our culture alive.这里it changes a little在句子中做什么结构,it指代什么?该怎么翻译. It upsets him that nobody had bothered to tell him about it.请问had bothered 在此句中有什么意义? 一组边长为100mm的混凝土立方试块,在标准条件下28养护天测的抗压破坏荷载分别为230KN,210KN,250KN,问该混凝土强度代表值是多少?强度等级是多少? that在什么情况下可以省略,the rules that we have in school可以吗 kN/m^2什么符号 3.5KN/m2表示什么