By a lot of experiment, the author claimed a soft arc striking technic which lead the arc ignition success rate to as high as above 90%.

作者还通过大量的试验，以软起动引弧方式，使焊机的引弧成功率达90%以上。

youdao

Full circle arc automatic door has a beautiful appearance with soft arc glass transparent crystal door, make its unique appearance, luxurious style.

全圆弧形自动门拥有优美柔和的弧线外观配以晶莹通透的玻璃门扇，使其外观独特、豪华气派。

youdao

The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.

研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。

youdao

Like so many other items in the company's lineup, the Arc has a soft-touch back, adorned with a diamond pattern of criss-crossed lines.

ENGADGET: Kobo Arc tablet hands-on (video) Hands-on

But months later, after the letter arrived and I traced its arc and came to land with a soft thud in an enchanted forest, and after I had listened to all the stories contained in this book and written them down for you, that one story came back to me.

NPR: 'Ancestor Stones:' Life and War in Sierra Leone

At dawn, the Cappadocian valleys glow shades of soft apricot, buttery yellow and rose petal pink as their rippling rock folds arc out to the horizon.

BBC: Choose your own adventure in Turkey