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显微放射自显影术又称同位素示踪术。即应用某种具有放射性的同位素标记物,注入动物体内或加入细胞培养的培养基内,该物质被细胞摄取后,将组织或细胞制成切片或涂片,并在切片(或涂片)表面涂上一层感光乳胶,放进暗匣中,细胞内放射性同位素产生的射线会慢慢使乳胶感光,再经显影和定影处理即得到放射性同位素分布和强度的影像的技术。
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正确
B.
错误
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【单选题】Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a vision of life beyond Earth. The Mars 62 continues with the launch of ...
A.
extremes
B.
extracts
C.
terminals
D.
radicals
【单选题】Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a vision of life beyond Earth. The Mars 62 continues with the launch of ...
A.
thus
B.
however
C.
so
D.
but
相关题目：
【单选题】Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a vision of life beyond Earth. The Mars 62 continues with the launch of ...
A.
extremes
B.
extracts
C.
terminals
D.
radicals
【单选题】Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a vision of life beyond Earth. The Mars 62 continues with the launch of ...
A.
thus
B.
however
C.
so
D.
but
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