noun Tải xuống 🔗Chia sẻ Candela. In the International System of Units, the base unit of luminous intensity; the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian. Symbol: cd Ví dụ : "The new LED bulb has a luminous intensity of 800 candela, making it very bright for reading. " Bóng đèn LED mới này có cường độ sáng là 800 candela, khiến nó rất sáng khi đọc sách. physics energy unit Chat với AIGame từ vựngLuyện đọc