investigative

Tax laws were discriminatorily enforced, conspicuous surveillance and visible "investigative" interviews with activists, and grand jury subpoenas.

歧视性，明显的监视，以及可见的“调查”，与活动成员的会面，和大陪审团的传票。

BACKGROUND: Various investigative tools, including direct visualization with stroboscopy and indirect observation with glottography, have been widely used for the observation of vocal fold vibration.

许多观察声带振动的工具，包括影像观察的喉频闪镜以及间接观察的声门图仪，均已被广泛地运于声带振动的观察。