Using the real point source coaxial technology.
采用真正的点声源同轴技术。
But the main contributor of BOD was point source pollution.
而BOD的主要贡献者则是点源污染。
And agricultural non-point source pollution is the top priority.
而农业面源污染又是重中之重。
At last, the computational methods are given to identify the point source.
最后，给出了识别点污染源的计算方法。
The directivity of the group of the point source and the line source is analyzed.
分析了点声源组和线声源的指向性。
Remember earlier when I said that high brightness LED point source lighting has become affordable?
还记得我前面提到，高亮度led点光源照明已经可以负担得起了吗？
Remember earlier when I said that high brightness LED point source lighting has become affordable?
还记得我前面提到，高亮度led点光源照明已经可以负担得起了吗？
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