测试前，我们记录了每个运动员的心率基线值。

Before the test, we recorded each athlete's ___baseline heart rate.

篮球运动员在底线发球。

The basketball player inbounded the ball from the ___baseline.

我们需要确定项目预算的基准线，以便后续对比实际支出。

We need to establish the ___baselines for the project budget to compare with actual expenses later.