A NEW WOOD - FROG OF THE GENUS RANA IN MT . KUNYU, SHANDONG PROVINCE, CHINA ( AMPHIBIA: ANURA: RANIDAE )

山东昆嵛山蛙属林蛙群一新种 ( 两栖纲: 无尾目: 蛙科 )

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The titanium ascorbate was the substance of low toxicity to fish, shellfishand anura.

抗坏血酸钛对鱼类 、 类及无尾两栖类皆为低毒物质.

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