In the marker system there are two concepts to training exercises.

在响片训练体系中有两个概念。

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The genetic marker system is of significance in anthropology, forensic medicine and medical genetics.

本遗传标记系统在人类学、法医学和医学遗传学的研究中有重要意义。

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The laser marker system is made up of laser, optical system and controller, which is the core of the components.

它主要由激光器、光学系统和控制器组成，其中控制器是核心部件。

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Certainly, Marker's system doesn't guarantee that a fallen angel will pick itself up off the floor.

FORBES: Timing Is Everything

This "biophony, " as Krause calls it, can be studied as a marker of an eco-system's health.

CNN: Meet the man recording the sound of extinction