他自14岁起就一直研究和投资股票市场。
He's been studying and playing the stock market since he was 14.
他的研究团队自2008年来一直致力于一种类似设备的研究。
His research team has been working on a similar sniffer device since two thousand eight.
自那时以来消雾研究一直遵循这个方向。
现在，让我们从逻辑的角度来研究自顶向下方法。
Now, let's take a look at the top-down approach from a logical perspective.
这份研究发现，自1980年以来肥胖人数已翻了一倍。
The study found that obesity has almost doubled since nineteen eighty.
该系列射流式自吸离心泵的研究是成功的。
Giedd博士自1991年便一直在研究一组青年人。
Doctor Giedd has been studying a group of young people since 1991.
所以本文对自同步流密码进行研究。
Therefore, this article on the self-synchronizing stream cipher to study.
自那时以来，许多研究对健康的好处，橄榄油已进行了。
Since then many studies on the health benefits of olive oil have been conducted.
这项研究自1978年以来一直在进行，并已取得了许多实际成果。
This research has been in progress since 1978 and has yielded many positive results.
本研究的目的是制定一套测量儿童自我控制能力的自陈式量表。
The objective of the study was to make a self-report inventory for children's self-control.
对具有无限方差的一阶自回归非平稳过程进行了研究。
We study the unstable autoregressive process for the first order with infinite variance.
这一结论为超高压厚壁容器自增强理论研究，提供了新的探讨方向。
This conclusion leads to a new direction of study on self-reinforced damage mechansm.
对自毁装置火工品在级间热分离过程中的安全性进行了研究。
The safety of pyrotechnics of self-destruction system in hot-splitting process was studied.
本文研究内配煤铁矿团块在高温下快速自还原直接得到金属铁颗粒的方法。
The way of extract iron from iron briquette by coal under high temperature has studied.
本文研究损伤自诊断自适应智能结构的系统实现方案。
The realization method for the self diagnostic and adaptive smart structure system is introduced.
自支撑薄膜的制备在核科学研究中至关重要。
The preparation of self-supporting film is important for the research of nuclear physics.
本文主要用试验方法研究自密实混凝土早期性能。
So it is different from normal concrete in development of early age performance and durability.
论文对自抗扰控制技术的性能和应用进行了研究。
The performance and application of ADRC technology were studied in the paper.
目的：总结自乳化药物传递系统的研究概况。
Objective: To review the advances of self-emulsifying drug delivery system.
因此，对自吞噬的研究有重要意义。
接着就自配位ATRP的机理进行了研究。
自那时以来，软件工程学位研究生提供了许多更大学。
Since then graduate software engineering degrees have been made available from many more universities.
自1992年以来，迭代学习控制研究出了新飞跃。
Since 1992, research of iterative learning control of a new leap.
自1992年以来，迭代学习控制研究出了新飞跃。
Since 1992, research of iterative learning control of a new leap.
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