출력 연습 아래 루프는 모두 같은 결과를 출력한다. x 더보기 Particle pollution Basic InformationParticle pollution (also called particulate matter or PM) is the term for a mixture of solid particles and liquid droplets found in the air. Some particles, such as dust, dirt, soot, or smoke, are large or dark enough to be seen with the naked eye. Others are so small they can only be detected using an electron microscope.How Big is Particle Pollution?See a larger version of the.. 더보기 태풍 하이안 구글 비즈 사용하여 태풍 하이안 진행 경로를 나타냄http://localhost:35869/custom/googleVis/GeoChartID17862d07bc3.html 더보기 이전 1 ··· 45 46 47 48 49 50 51 ··· 57 다음
