Objective Tropomyosin, a thin filament-associated protein, is thought to play a crucial role in the regulation of muscle contraction.
目的原肌球蛋白是一种细肌丝相关蛋白，对肌肉收缩起重要调节作用。
2
The efficient electronic ballast is composed of rectifier-filter circuit, high-frequency inverse transforming circuit, power regulation circuit and filament preheating circuit.