问题:鳃片指环虫的头部背部有()个黑色眼点。A、1B、4C、3D、2...
Tuesday, July 18, 2023
Friday, September 16, 2022
问题:坏死的实质是局部组织细胞代谢完全停止,是一种可逆的变化。...
Tuesday, September 12, 2023
Sunday, September 11, 2022
Friday, February 7, 2025
Friday, March 17, 2023
Friday, September 16, 2022
Friday, February 7, 2025
Friday, December 6, 2024
问题:对患病鱼虾进行病原体检查时,材料应该是()或();检查顺序是:先()后()、先()后()、先()后()。...
Sunday, August 18, 2024
Monday, September 12, 2022
Wednesday, July 24, 2024
Thursday, July 3, 2025
Friday, September 16, 2022
Tuesday, May 13, 2025
Friday, March 14, 2025
问题:水产动物免疫的功能包括()、()和()等。水产动物的免疫包括特异性免疫和();其中,特异性免疫又包括()和()。...
Friday, March 10, 2023
Friday, December 6, 2024
问题:干扰素是一类能抑制病毒复制的蛋白质或糖蛋白,其作用:()、()、...
Monday, September 12, 2022
Monday, September 12, 2022