B: It'll be an expensive present, but we can share the cost.

那将是一份昂贵的礼物，但是我们可以分担费用。

youdao

Based on the B-Spline theory, this paper present a new kind of multi-scale wavelet transform. The feature of a signal can be extracted in its maximum module or zero-crossing.

本文基于数学样条理论提出了一种新的多尺度小波变换，通过其模极值或零交叉可以有效地提取信号的特征。

youdao

Should an examination of sample B be needed the athlete is entitled to be present if they so wish during the entire process.

BBC: The drug-busters