銆€銆€1銆佹綌鍑堝粻鎴胯垏浜ら€氬共閬撲箣闁撶殑璺濋洟锛屾纰虹殑鏄�(銆€銆€)銆�

銆€銆€A.瀹滃ぇ浜�50m

銆€銆€B.瀹滃ぇ浜�60m

銆€銆€C.涓嶅疁灏忎簬30m

銆€銆€D.瀹滃ぇ浜�80m

銆€銆€2銆佷汉鍝″噲鍖栫敤瀹ゅ拰鐢熸椿鐢ㄥ鐨勫竷缃�锛屽疁鎸変笅鍒�(銆€銆€)闋嗗簭閫茶銆�

銆€銆€A.闁€寤斥啋鎻涢瀷鈫掓洿澶栬。鈫掔┖姘ｅ惞娣嬧啋鏇存綌鍑堟湇鈫掓綌鍑堝

銆€銆€B.闁€寤斥啋鎻涢瀷鈫掓洿澶栬。鈫掓洿娼斿噲鏈嶁啋娼斿噲瀹�

銆€銆€C.闁€寤斥啋鎻涢瀷鈫掓洿澶栬。鈫掓洿娼斿噲鏈嶁啋绌烘埃鍚规穻鈫掓綌鍑堝

銆€銆€D.闁€寤斥啋鎻涢瀷鈫掓洿澶栬。鈫掔┖姘ｅ惞娣嬧啋娼斿噲瀹�

銆€銆€3銆佹湁鍏╄嚭楂樻晥閬庢烤鍣�锛屽叾閬庢烤鏁堢巼鍒嗗垾鐐�99.99%鍜�99.98%锛屼笅鍒楄⿻鍍瑰叾閬庢烤鎬ц兘鐨勬纰鸿娉曟槸(銆€銆€)銆�

銆€銆€A.閬庢烤鎬ц兘寰堟帴杩�

銆€銆€B.閬庢烤鎬ц兘鐩镐技

銆€銆€C.鐢ㄧ┛閫忕巼鐪嬬浉宸竴鍊�

銆€銆€D.鍏跺樊鍒ユ槸鐢辨脯閲忔柟娉曚笉鍚屽紩璧风殑

銆€銆€4銆佹綌鍑堝鐨勭┖姘ｆ綌鍑堝害绛夌礆瑕佹眰鐐�1锝�4绱氭檪锛屽彲閲囩敤鐨勬埃娴佹祦鍨嬬偤(銆€銆€)銆�

銆€銆€A.姘村钩鍠悜娴�

銆€銆€B.鍨傜洿鍠悜娴�

銆€銆€C.闈炲柈鍚戞祦

銆€銆€D.杓诲皠娴�

銆€銆€5銆佸皪娼斿噲瀹ゅ収(n猫i)鐨勫櫔鑱茬礆(绌烘厠(t脿i))銆佸柈鍚戞祦娼斿噲瀹ょ殑鍣伈鎸囨锛屼互涓�(銆€銆€)瑾硶姝ｇ⒑銆�

銆€銆€A.涓嶆噳澶т簬70dB

銆€銆€B.涓嶆噳澶т簬75dB

銆€銆€C.涓嶆噳澶т簬65dB

銆€銆€D.涓嶆噳澶т簬55dB