ประโยคภาษาจีน : 中文句子 |
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tóng shí 同时 duì 对 miǎn yì 免疫 de 的 chú 雏 yā 鸭 cǎi xuè 采血 zhōng hé 中和 shì yàn 试验 cè dìng 测定 xuè qīng 血清 de 的 xiào jià 效价 |
The serum of the immunized ducklings were collected and the antibody titer were measured by neutralizing test. |