一部分候鸟在传播该种病毒方面的作用现在仍处于研究阶段。
The part of migratory birds play in spreading the virus is still being studied.
第二类技术以磁场为依托，利用共振原理，目前仍处于研究阶段。
A second technique relies on magnetic fields. It is still at an experimental stage and works using resonance.
其中，虚拟仪器虽已提出多年，但仍处于研究、讨论与试用阶段。
The virtual instrument has been mentioned for years, but it still in the stage of studying, discussing and probation.
目前，对于无线OFDM系统的信道估计方法仍处于研究和探索阶段。
At present, the channel estimation of wireless OFDM systems has been still in the progress of research and exploring.
利用生物标志物进行肺癌的筛查仍处于研究阶段，尚需前瞻性的研究对其效果进行评价。
New tools using biomarkers for lung cancer screening are still in research phase and await prospective trials to evaluate their effectiveness.
结论乳腺癌SLNB目前国内、外仍处于研究阶段，随着研究的扩大与深入将可能取代常规的ALND。
Conclusion at present, SLNB for breast cancer is still at research phase. With expanding and deepening of the study, SLNB may replace routine ALND.
桩基的水平动力特性已受到工程界越来越普遍的重视，但关于水平动力受荷桩的理论和性状至今仍处于研究阶段。
The horizontal dynamic behavior of pile foundation is becoming more and more attractive in geotechnical engineering. But the theory concerned with this is still in research stage.
碳纤维复合材料（CFRP）加固是当前最为引人关注且具有广泛应用前景的桥梁加固技术，但仍处于研究阶段。
Structural retrofit and rehabilitation with Carbon Fiber Reinforced Plastic(CFRP) is a very hot strengthening technique which has a great market in highway bridges, but it is still in unformed phase.
二磷酸盐化合物对于肿瘤的预防和治疗相关性骨事件的发生是有效的，但其对肿瘤相关骨折的预防价值仍处于研究中。
Bisphosphonates are effective in treatment and prevention of cancer treatment-induced bone loss, but their value in the prevention of fractures is still investigational.
但他补充说，该领域的整体研究“仍处于起步阶段”，一个关键问题是，文学小说是否真的比其他小说更好。
But he added that the overall research in this area is "still in its infancy" and one key question is whether literary fiction really is better than other fiction.
研究人员蒂莫西·索尔特豪斯称，大多数人即使到了晚年，思维能力仍处于较高水平。
Most people's minds function at a high level even in their later years, according to researcher Timothy Salthouse.
该组研究对象中的226人依然在世，其中161人在研究中仍处于活动状态，即每两年回答一份调查问卷，并在每15年接受一次个人访问。
Of this group, 226 are alive and 161 are still active in the study, which requires the men to answer questionnaires every two years and to be interviewed personally every 15 years.
他承认很难作出精确的比较，因为这项研究仍处于初级阶段。
He admits it is difficult to make accurate comparisons, because the research is still in its infancy.
虽然登革热疫苗目前仍处于临床试验阶段，但公共卫生专家已着手开展工作，研究如何制定战略，向最需要的人迅速提供这些疫苗。
Dengue vaccines are currently being tested in clinical trials but public health specialists are already working on delivery strategies for a rapid roll-out to the people who need them most.
尽管胚胎处于人类的早期阶段，但是布什和保守派人士仍认为胚胎的研究摧毁了生命，并阻止了联邦基金资助干细胞研究。
In blocking federal funding for stem cell research, Bush sided with religious conservatives who argue that research on embryos destroys human life, albeit at its earliest stage of development.
此外由于此类保健品的研究仍处于初始阶段，食品药品管理局也不批准它上市。
The pills are not FDA approved, with research still in its infancy.
研究结果证据确凿，很有信服力，所以美国心脏协会(the American Heart Association)建议适度降低那些挽救过来却仍处于昏迷的心脏病人的体温。
The results were so compelling that the American Heart Association recommended implementing mild hypothermia (reduced temperatures) in the comatose survivors of cardiac arrest.
然而，同声传译研究仍处于起步阶段并且远远落后于笔译研究。
However, the study on simultaneous interpretation is still at the initial phase and lags far behind that on written translation.
对目前我国无机生油理论研究中存在的一些问题进行了评述，指出，我国无机生油研究仍处于地质论证阶段。
The problems in study of inorganic theory at present are discussed. It is pointed out that the research on inorganic theory is still in stage of geological demonstration.
但是目前地震储层预测方面的研究仍处于探索阶段，特别是对于碳酸盐岩，还很少见到成熟的方法。
However the researches about reservoir assessment are under exploring and without mature feasible solutions, especially in carbonate reservoirs prediction.
时态GIS是GIS一个新兴的研究领域，目前仍处于理论与模型的研究阶段。
Temporal GIS is a new research field of GIS, and still in the stages of theory and model study.
然而在旅游目的地形象营销以及营销效果的测评方面，研究工作仍处于探索阶段。
But in destination image marketing and result testing of marketing, research work is still at the stage of exploring.
但用于疾病诊断的医用电子鼻目前尚不成熟，仍处于实验室研究阶段。
However, the medical electronic nose used for disease diagnosis stays immature, still under studying in laboratory.
然而，总的来说，国内该领域的研究仍处于起步阶段，许多方面亟待完善与补充。
But as a whole, domestic research in this area is still in infancy and thus needs further improvement and supplementation.
但从总体上看，历史人物研究，尤其是人物早期史研究仍处于比较落后的状态。
In the overall view, study on historical figures, especially on early history of them, however, remains a relatively backward state.
而在中国，企业社会责任理论的研究仍处于起步阶段。
In China, the research of social responsibility of enterprises theory is still at the starting stage.
对模拟电路故障诊断的研究，目前仍处于继续探讨新的原理和方法，不断改进现有方法的阶段。
The research of analogue circuits fault diagnosis, now, is still in the stage of continuing to develope the new principles and methods, and going on improving the existing methods.
深度运动知觉问题的研究目前仍处于探求阶段。
深度运动知觉问题的研究目前仍处于探求阶段。
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