There's lighting inside the case and sight window on the outside door, convenient for observation.

两个玻璃观察窗位于给料机进口端（端门），用于观察胶带运行状况。

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Of studio lighting device is arranged in a large angle, tempered glass vacuum insulation, convenient for observation;

工作室内设有照明装置，大视角保温真空钢化玻璃，便于观察；

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The convenient multi-viewpoints observation choice is provided in the system for the user, thus the requirement of roaming virtual reality scene to the different Angle and way is satisfied.

并为用户提供了方便的多视点的观察选择，满足了用户对不同角度和方式下的虚拟现实视景漫游要求。

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For example, First Step Cash Management, developed by The Planning Center, in Moline, IL is a web-based program that allows you to put your cash flow into convenient, understandable and manageable buckets for tracking, observation and control.

FORBES: How to Manage Your Personal Cash Flow