普查日 meaning in Chinese

census date

Thirty boats take part in pink dolphin watch day
中华白海豚普查日三十艘船支持参与
Background information of pink dolphin watch day
中华白海豚普查日背景资料
The event , dubbed pink dolphin watch day , marks sinos initiative to increase public awareness of the dolphins in hong kong . the one - hour census started at 12 : 00nn and ended at 1pm
是次中华白海豚普查日，充分显示信和集团积极参与保护中华白海豚，以提高公众人士对这种海豚的认识及关注。