T he band is composed of brass instruments ( trumpet , trombone , french horn , and tuba ) , wood - wind ( flute , saxophone , and clarinet ) and percussion instruments ( drum , timpani , and glockenspiel ) 我们的乐队是由铜管乐器?如：小号、长号、法国号和低音号…等? 、木管乐器?如：长笛、萨克管与竖笛…等?与打击乐器?如：大鼓、定音鼓与铁琴…等?所组成的。
With instruments frequently used in the orchestra as the main topic , the exhibition displays the violin ( s ) , viola , cello , double bass , flute , oboe , clarinet , bassoon , harp , french horn , trumpet , trombone , tuba , and percussion instruments 低音提琴是弓弦家族中最低音也是最大的乐器，演奏者必须站立拉奏，其音色庄重而低沉，能提供比大提琴更加深沉的声音基础。
In accordance with the characteristics of heavy oil reservoir in tuba oilfield , this paper studies oil and water layer identification method and productivity prediction method on the basis of reservoir characteristic study combining with geochemical and logging data 摘要本文针对吐哈油田稠油油藏特征，在研究储层特征的基础上结合反应油气层特征的地化参数和测井资料，对其油水层录测井识别方法和产能预测方法进行了研究。
