这项研究缺乏确凿的证据，因此，其结论值得怀疑。
The research lacks solid evidence, and therefore, its conclusions are doubtful.
但对纤网结构这方面所作的研究缺乏理论指导。
However, study on the web structure is lack of theoretical foundation.
同时，由于缺乏科学研究，粮食生产也受到了限制。
Simultaneously, food production has been constrained by a lack of scientific research.
研究作者称，缺乏来自朋友与家庭的认可很可能是罪魁祸首。
Study authors say lack of acceptance from friends and family is the likely culprit.
最新研究显示，缺乏医疗保障和身体状况下降之间存在联系。
Recent research has found strong links between a lack of health insurance and declining health.
但我们仍缺乏研究资金。
研究报告还指出缺乏睡眠也让很多人无法履行自己的工作和家庭责任。
Lack of sleep also keeps many people from work and family functions, the report said.
然而，这“预报”可能仍然缺乏适当的研究。
我们的研究由于缺乏资金而受到限制。
许多研究单位一天到晚都在抱怨他们资金缺乏。
Many research institutes are always bemoaning their lack of funds.
因资金缺乏，他的研究受到影响。
目前，现代汉语研究中，关联词的研究相对薄弱，也缺乏系统性。
At present, the study on connectives in modern Chinese is comparatively weak or not systematic.
总的来说，此项研究中，女人比男人更缺乏活力。
由于缺乏资金，这位科学家放弃了他的研究工作。
反对理由：难于实践研究，忽略生理影响，缺乏预测力。
Against: practical difficulty, ignore the huge influence of biology, lack the predictive power.
由于缺乏资金，好几家研究所被迫关门了。
Several research institutions were closed down for lack of fund.
当然，这只是一个理论成果，还缺乏实证研究的支撑，这也是本文最大的遗憾。
The result of the theory lacks the support of the experiment, which is a pity.
由于这种采煤方法在实际当中很少应用，目前还缺乏这方面的系统理论研究。
For this mine method is few applied in fact, and lack theory study in this method at present.
但是BF型柔性传动的设计在国内还缺乏深入的研究。
But the design of BF flexible transmission is still lack in the thorough research.
由于缺乏资金，他们放弃了研究。
研究表明，大约一半的美国人对他们的医疗保健体系缺乏信心。
Studies show about half of Americans lack confidence in their health care system.
目前，国内外对林地外部效应评估的研究十分缺乏。
It was very lack to research external effect of woodland appraisement at the moment.
然而，迄今为止，在研究生教育服务质量问题的评价方面仍然缺乏有效的方法。
However, there is a lack of effective method to evaluate service quality of postgraduate education.
而理论界对此又缺乏深入研究。
There is little deep study about this issue in the theoretical circle.
缺乏资料会拖这项研究工作的后腿。
就如他的风险社会理论，我们缺乏一种深入的系统性研究。
Such as risk society theory, it still deserves us a systematically research.
就如他的风险社会理论，我们缺乏一种深入的系统性研究。
Such as risk society theory, it still deserves us a systematically research.
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