英文翻译as the mass of air rises

英文翻译as the mass of air rises the mass of 与 a mass of 有啥区别? mass的用法the mass of 和 a mass of 有什么区别？ 英语翻译He believed that the shape of hole itself could have much meaning as that of solid mass,and could even help create a sense of mass or volume.尤其是 solid mass 在 句子中的意思 the mass of a magazine is 270g.A dictionary is 3 times as heavy as the magazine.what is the total mass of the magazine and the dictionary? CHEMISTRY-RELATIVE ATOMIC MASSthe mass of a hydrogen atom 1/1H is equal to 1/12 of the mass of a carbon-12 atom,so its relative isotopic mass is 1.A magnesium atom 24/12Mg is twice as heavy as a carbon-12 atom,so its relative isotopic mass is 24再 The elements of a compound occur in a fixed mass ratio.请问fixed mass ratio 尽量“人性化”一点!0.4 of the mass of Mark is the same as 0.3 that of Mathew.What is the ratio of the mass of Mark to total mass? the molecular mass of the saponins as 1078 Da for ginsenoside Rb2 的意思? 英文翻译 A is the same as B at the time of issue. the graph shows the length of the spring increases as the mass suspended from the spring increases.翻译! The club women gathered____clothes for people in the tsunami-hit countriesA a mass of B mass of C a large amount of D amount of 为什么选A The atomic mass of copper is 63.55 amu.There are onlytwo isotopes of copper,63Cu with a mass of 62.93 amu and65Cu with a mass of 64.93 amu.What is the percentageabundance of each of these two isotopes? 7.As shown above,a ball of mass m,suspended on the end of a wire,is released from height h and collideselastically,when it is at its lowest point,with a block of mass 2m at rest ona frictionless surface.After the collision,the ball rises to a final h 英语翻译The mass media is a big part of our culture,yet it can also be a helper,adviser and teacher to our young generation.The mass media affects the lives of our young by acting as a substitute for a number of institutions and social contacts.I 英语翻译圣诞节 Origin of Christmas The name Christmas is short for Christ's Mass.A Mass is a kind of Church service.Christmas is a religious festival.It is the day we celebrate as the birthday of Jesus.There are special Christmas services in 英语翻译Workability of concrete may be defined as a composite characteristic indicative of the ease with which the mass of plastic material may be deposited in its final place without segregation during placement,and its ability to conform to fin 翻译:the name christmas is short for christ's mass.a mass is a kind of church service.christmas is a religious festival.it is the day we celebrate as the birthday of jesus.there are special christmas services in christian churches all over the worl