by design

I became a presenter by default rather than by design.

我为主持人是因为当时我未考虑其他选择就接受了，并非我刻意要求得此职。

The second is: increases the loading precision by designing high performable DSP controller.

特点二是设计高性能的DSP控制器来提高加载精度。

How to perform the SOC test with reduction the development cycle time and production cost without scarifying the performance is the challenge confronted by design engineer and test engineer.

如何在缩短设计周期、降低损失性能的前提下完SOC系统的测试是设计工程师和测试工程师当前所要面对的挑战。

This control effect can be got by designing the size of pokedwheel,using the self locking character of worm wheel and worm pole and connecting the pawl mechanism with overtravel ...

通过有效设计拨轮的尺寸，利用蜗轮蜗杆的自锁特性，将棘轮机构与行程开关联为一体，达到自动输球控制的目的。