It must be stressed that this disease is very rare.
必须着重指出，这种病非常罕见。
It must be stressed that we should attach great importance to environmental protection.
必须着重指出的是，我们必须重视环保。
Therefore, it must be stressed that the majority of your SEO efforts should be spent seeking inbound links, not endlessly tweaking your own website.
因此必须强调的是，你得把大部分搜索引擎优化工作放在寻找入站链接上，而不是永无止尽地调整你的网站页面。
However, it must be stressed that public health authorities must always balance the health risk to the population against other undesirable consequences.
然而，必须要强调的一点是，公共卫生主管当局必须始终权衡人口卫生风险和其它不良后果。
It must be stressed that spatial relations and feature similarity are two indispensable aspects of reliable image registration, and both are of equivalent importance.
应该说，特征空间关系一致性和特征属性相似性是进行可靠特征匹配不可或缺的两个方面，是同等重要的。
It has to be stressed that shipment must be effected within the prescribed time limit, as a further extension will not be considered.
必须强调的是，货物装运必须按期进行，任何进一步延期的要求将不予于考虑。
It has to be stressed that shipment must be effected within the prescribed time limit, as a further extension will not be considered.
必须强调的是，货物装运必须按期进行，任何进一步延期的要求将不予于考虑。
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