Double flat 双经 ; 重降号 ; 双平坦型
Double Disc Flat Gate Valves 双闸板平板闸阀 ; 双闸板平板 ; 高温高压电站闸阀 ; 双阀板平板
double-flat E 重降号
double-flat ໕ 重降号
double-flat U 重降号
double flat foolscap 纸张尺寸
double-flat agitator 双层桨叶
double flat foot spin 双脚平刃旋转
以上来源于: WordNet
N an accidental that lowers the pitch of the following note two semitones 重降号; 表示要降两个半音的记号 (Usual symbol ♭♭)
N a note affected by this accidental 受重降号影响的音调
ADJ denoting a note of a given letter name lowered in pitch by two semitones 音调降两个半音的
The CFD technique and PIV were adopted to investigate the flow field and concentration distribution in Stirred Vessel with double-flat agitator.
利用CFD技术和PIV测量研究了搅拌器内双层桨叶不同位置的流场和浓度分布。
The Boston-based company had sales growth in the double digits for the past few years, when revenue fell flat last fall.
这家设在波士顿的公司在过去几年里的销售收入一直以两位数字的速度增长，不过在去年秋天，该公司收入却停滞不前了。
I can tell the difference between a flat and a double flat notation.
我可以分别降半音符号与双倍降半音符号之间的区别。
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