However, these methods are confronted with some difficulties in solving problems with variable domains or discontinuity.
但差分方法不能处理复杂区域问题，传统有限元方法在处理间断问题时又力不从心。
The nucleotide sequence analyses indicated that the cloned genes coded the variable light and heavy chain domains from mouse antibodies respectively.
核苷酸序列分析表明所克隆基因分别为抗体轻、重链可变区基因。
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