Somedoctorsclaimthatavegetabledietissuperior_________ameatdiet.
一個物體在x軸上作直線運動,位置隨時間變化的關系為x=2+4t2(SI),則t=2s時物體加速度大小為____________m/s2
Instudiorecordings,newtechniquesmadepossibleeffectsthatnotevenanelectronicbandcouldproduce.
理想氣體處于平衡態時壓強為p,溫度為T,玻爾茲曼常數為k,則該氣體的分子數密度n=____________.
MaryacceptedDavids___(invite)tojoinhimforlunch.