The instrument will behave completely different when played'staccato'than when played'legato '.以断奏和连奏方式演奏键盘可以得到完全不同的效果.They were expected to behave themselves.他们应该守规矩。Under certain conditions, electro...
抛射角对结果有影响.The angle of projection affects the answer.侧确的照射角度, 答当是入射角即是不正射角.The correct exposure point of view, should be the angle of incidence equals angle of reflection.侧确的照射角度, 答当是入射角即是不侧射角.The correct exposure point ...