自发畸变是一种现象，指生物体自身内因导致的染色体畸变。
实验结果表明，MEM-FA中培养的细胞染色体自发畸变率显著高于完全培养基（MEM）。
The chromosome aberration frequency was increased when lymphocytes were cultured in medium deficient in folate and thymidine (MEM-FA).
同时进一步分析了在大信号、高泵浦功率条件下高速光脉冲信号放大过程中的各种畸变特性以及放大的自发辐射对系统信噪比增益的影响。
The character of high speed light pulse distortion and the fluency of the amplified spontaneous emission on the SNR gain under high power signal and pumper are analyzed.
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