vascular tone的用法和样例：
例句
- Adrenergic inhibitors selectively reduce sympathetic tone.
肾上腺素抑制剂有选择地降低交感神经的紧张度。 - The heart rate and venous tone were controlled by high-pressure receptor baroreflex, while the peripheral resistance was controlled by high- and low-pressure receptor baroreflexes.
其中，心率和静脉紧张度受动脉压力感受器反射控制，而外周阻力则同时受动脉压力感受器和心肺压力感受器的反射控制。
