There are five types of ATM bearer service: CBR, VBR , ABR, UBR and GFR.

ATM现有 的5种通信量业务类型,即: 恒定比特率(CBR) 、 可变比特率(VBR) 、 可用比特率(ABR) 、不定比特率(UBR) 和可保证帧速率(GFR)业务,在应用中各有所长.

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When converting to MP 3, bitrate, VBR or CBR, stereo or mono are selectable.

当转换成MP3, 码率, VBR业务或CBR的, 立体声或单声道是可选的.

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However, only little information exists regarding the acting on a VBR.

然而, 关于椎体置换物承受载荷的资料却很少.

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The loads acting on a vertebral body replacement ( VBR ) were measured in vivo.

研究设计:在活体内测量作用在椎体置换物上所承受的载荷.

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Based on these sample data, the CLR simulator is realized using neural network.

基于所获得的样本数据, 结合神经网络实现了VBR视频 传输信元丢失率计算机仿真模型.

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