direct flux meaning in Chinese

直接光通量

Of an interior lighting installation . the ratio of the direct flux on the working plane to the downward flux of the installation
在室内照明系统中，工作面上的直射光通与系统所有向下辐射的光通之比。
One of these patches has normally directed flux ( in the same direction as the overall dipole field in that hemisphere ) ; the other has the opposite , or reversed , flux
斑块之一具有正常方向的磁通量（与该半球整体的偶极方向相同）；另一个斑块的通量方向则是相反的。