The current recommended second-line treatment regimens are complex, of long duration, and require intensive monitoring of adverse events and treatment outcomes.
目前建议采用的二线治疗方案程序复杂、疗程过长，并需要密切监测不良事件和治疗结果。
The sealing face uses stainless steel and carbide alloy and is of long duration.
密封面采用不锈钢和硬质合金，使用寿命长。
Therefore, ve is the better means to solve the long existing problems of long duration, high waste, unstable quality and high cost in architecture industry.
因此，价值工程是解决建筑业长期存在的工期长、浪费大、质量不稳定、造价高问题的较好办法。
With the features of long duration, suddenly happening and rising, the ice flood in the Yellow River sometimes cause more intensive calamity than that of storm flood.
黄河冰凌洪水突发性强、涨势猛、持续时间长，产生的灾害有时更甚于暴雨洪水。
Echoing the discussion in Chapter III, one noticeable feature is the relative underdevelopment of corporate bond markets, including securities of long duration.
对应第三章的阐述，一个明显的特点是，各种公司债券市场都相对地欠发达，包括各种长期间的证券。
Echoing the discussion in Chapter III, one noticeable feature is the relative underdevelopment of corporate bond markets, including securities of long duration.
对应第三章的阐述，一个明显的特点是，各种公司债券市场都相对地欠发达，包括各种长期间的证券。
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