开发周期 Traditional 開發周期 kāi fā zhōu qī 🔊 development cycle + Keep this word Meanings kāi fā zhōu qī 開發周期 development cycledevelopment periodalso written 開發週期|开发周期 Its characters 开kāito open; to turn on; to driveHSK 1发fāto send outHSK 3周zhōuto make a circuitHSK 2期qīa period of timeHSK 4