您要查找的是不是：
- indoor spectral mask 室内频谱规范
- A spectral mask that horrifies all enemies in proximity, causing them to run in fear. 产生一个发光面具;恐吓周围的一切敌人;让他们在恐惧中逃跑.
- The Ultra-Wideband (UWB) pulse waveform in communication need not only achieve orthogonality but also meet the Federal Communications Commission (FCC) spectral mask for the UWB commercial system. 摘要超宽带(UWB)脉冲波形设计不仅要求满足正交性，还要满足UWB系统信号发射所要求的FCC频谱限制。
- He wore a mask so that no one should recognize him. 他戴了一个面罩，使别人认不出他来。
- A room or building equipped for indoor sports. 健身房一个用来进行室内运动的房间或建筑
- Sham is sham and the mask must be stripped off. 假的就是假的，伪装应当剥去。
- He tried to mask his disappointment with a smile. 他试图以微笑来掩饰他的失望。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- Such feelings tend to remain submerge beneath a mask of social politeness. 在社交礼貌的掩盖下，这样的情感往往不会显露出来。
- Did you go to swim in the indoor swimming pool? 你去游泳馆游的泳?
- Ping-pang is a good indoor sport. 乒乓球是一项很好的室内运动。
- spectral mask 频谱限制
- Fix the protectors on the indoor walls or windows. 将保护器固定在室内的墙壁上。
- Her sociable manner is really a mask for a very shy nature. 她那好交际的作风，实际上是她腼腆天性的伪装。
- For a moment his mask of benevolence fell and the real man was revealed. 一刹那间，他慈善的假面扔掉，露出了他的真面目。
- A base, ungenerous wretch who under the mask of friendship has undone me. 有个卑鄙、吝啬的家伙打着友谊的幌子把我毁了。
- A building or indoor space in which to park or keep a motor vehicle. 车库停放或保管汽车的建筑物或户内空地
- The perfect indoor acoustics has no noise. 摘要理想的室内音质是无噪声干扰的。
- A mask, in the character of an old woman, joined them. 一个戴着假面具扮演老妇的人加入了他们的行列。
