lagrangian dual problems lagrange对偶问题
In Tommy's case dual diagnosis implied dual difficulties and dual problems. It provided an excellent excuse for both teachers and social workers to avoid understanding and appropriate intervention.
托米的案例表明了治疗双重诊断的难度，也为老师和社会工作者提供了一个无能为力的借口。
The dual approach of studying the code and using debugging tools is the best way to identify and fix problems.
结合研究代码和使用调试工具这两种方法是识别和修正问题的最佳方案。
The dual implementation of the object element technically doesn't break web standards, but it is the root of many problems.
object的两种实现并没有摧毁web标准，但它是很多问题的根源。
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