这个事实之下所掩盖的是另外一个事实：一些重要的功能升级能够以简单的软件更新的形式销售给用户，而不需要开发和验证任何新硬件。
Buried in this fact is the implication that significant functionality upgrades can be sold to end-users as simple software updates without any need to develop and certify new hardware.
文中研究的硬件电路以及控制算法也为以后开发结构更为简单、控制更为精密的飞轮电池打下良好基础。
A study of the control algorithm and circuit structure also can pave the way for the future design of simpler, more precise control of the flywheel battery.
但本系统会议管理功能较简单，由于硬件限制，支持的用户数量也有限，还需要做进一步的研究和开发。
The video conference system also has some shortages such as its lack of managing functions and limit on user numbers, so the further R&D is required.
但本系统会议管理功能较简单，由于硬件限制，支持的用户数量也有限，还需要做进一步的研究和开发。
The video conference system also has some shortages such as its lack of managing functions and limit on user numbers, so the further R&D is required.
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