In this article, we have also designed and made a drive circuit for LED and LD which is being used in optical communicating system or optical sensor system as broadband light-source.
在本论文中，我们为了实际的需要，还设计了LED和LD的驱动电路，并制作了这两组电路。我们将把它用作光纤传感系统中的宽带光源。
Core of large roller cold upsetting die made of ld steel has more ideal hardness, strength, anti wear capacity and impact toughness.
采用LD钢制造大型滚子冷镦模具的模芯，具有较理想的硬度、强度、耐磨性和冲击韧性。
LF1 series LD laser rangefinder (LRF) have been made, the LRF is a mini, low cost, eye safe, no cooperation target.
研制成一种小型、便携式、低值、对人眼安全、无合作目标的LF 1系列半导体ld激光测距仪。
The measurement system of LD was made up of PC and measurement instrument of LD and other measurement devices.
半导体激光器特性参数测量系统由激光器、PC机、LD检测仪和其他仪器组成。
The measurement system of LD was made up of PC and measurement instrument of LD and other measurement devices.
半导体激光器特性参数测量系统由激光器、PC机、LD检测仪和其他仪器组成。
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