我不能确定上一次看见她是什么时候。
目的确定上兰地区空气中尘污染的主要来源，便于针对性治理。
Aim to determine the main source of dust pollution in the air in Shang Lan Area, to tackle the problem directly.
我遇到过的许多项目花费大量杂乱的时间在研究、调查、考虑体系结构的确定上。
Many projects I encounter spend an inordinate amount of time researching, investigating, and pondering architectural decisions.
其次，在保护重心的确定上，应强调私权保护优先，同时兼顾竞争秩序的维护；
Then, when the focus of protection being decided, the priority of the protection of private rights shall be emphasized, and the order of competition shall be maintained as well.
因此，垄断者在价格确定上拥有很大的力量，它是价格的制定者而不是接受者。
Thus, the monopolist has significant power over the price it charges, i. e. is a price setter rather than a price taker.
记住，你没有时间沉浸于感情的不确定上，因为你现在的态度会关系到未来的几个星期。
Remember, you don't have time to wallow in emotional uncertainty, because your current attitude is establishing the pattern for weeks to come.
通过现场碾压试验，确定上库主副坝各种填筑材料达到设计指标所需的各项碾压参数指标。
All the targets for roller compaction parameters of filling materials for the main dam and associated DAMS of the upper reservoir were determined through in situ roller compaction tests.
分析了冷轧废水产生的来源，说明了冷轧废水在处理工艺选择、水质、水量确定上的困难。
The source of cold rolling wastewater was analyzed, the difficulties in dealing with cold rolling wastewater including selection of process, effluent quantity and quality of wastewater were indicated.
我国《合同法》确立了根本违约制度，但在条文规定和根本违约判定标准的确定上还有待完善。
Our country has established this system in Contract, but the stipulations of clause and the judging standards of thorough breach in contract still need to be perfected.
拓展了我们已有的平面上单调链求交的扫描线算法，将其应用到初步等距线中的全局自交点和全局无效环的确定上。
The algorithm proposed by us for polygonal chains intersection based on the sweep line algorithm is extended, and it is used to detect and delete global self-intersections in the rough offset curve.
论文的重点放在环境间接收益的确定上，论述了一些环境价值评估方法的使用，如市场价值法、资产价值法、旅行费用法、人力资本法等。
It gives more points on discussing the calculation of indirect benefit, for example Market valuation method, Human capital Approach, Travel cost method.
我一遍又一遍地读了自己的作品，所以我很确定我没有任何语言上的错误。
I read and re-read my work so I'm pretty sure there aren't any errors with the language.
一旦人们了解了这些板块是如何运动的，就有可能确定过去地球上大陆的运动，以及这些缓慢的运动如何在不同时期重塑了地球的特征。
Once it was understood how these plates move, it was possible to determine past movements of Earth's continents and how these slow movements have reshaped Earth's features at different times.
极少数情况下，有一种微生物可以在食物掉落的那一刻让你生病，你可以十分确定这种细菌就在你准备放进嘴里的食物上。
In the rare chance that there is a microorganism that can make you sick on the exact spot where the food dropped, you can be fairly sure that the bug is on the food you are about to put in your mouth.
光盘相对磁带在技术上的优越性是确定无疑的。
The technical superiority of laser discs over tape is well established.
我不能精准地确定我在那个位置上呆了多久，但我记得的下一件事就是那个幽灵在我眼前消失了。
I am not precisely sure how long I stayed frozen in that position, but the next thing I recall is the apparition vanishing before my eyes.
传统上，物种的亲缘关系是通过对它们的解剖结构的密切比较来确定的。
Traditionally the relatedness of species has been ascertained by a close comparison of their anatomy.
当实验者记录下游戏玩家从列表中阅读“攻击性”或“非攻击性”词汇所花的时间时，我们能确定他们实际上在测量什么吗？
And when experimenters record the time it takes game players to read "aggressive" or "non-aggressive" words from a list, can we be sure what they are actually measuring?
赖曼说：“对该发现的一种解释是，可能存在的奖励或许会比确定性奖励在情感上更具激励性。”
"One explanation for this finding is that possible awards may be more emotionally provoking than certainty awards," says Reimann.
向你的朋友或同事征求内容上的意见。这将有助于你确定演讲的正确视角和结构。
Ask your friends or colleagues for content ideas. This will help you decide on the right angle and structure of your speech.
这项发表在《美国预防医学杂志》上的新研究，并不是第一个将绿色植物与更好的健康状况联系起来的研究，但它确实让我们更接近于确定什么更奏效以及为什么会这样。
The new research, published in the American Journal of Preventive Medicine, isn't the first to associate greenery with better health, but it does get us closer to identifying what works and why.
报告中确定的目标总体上是值得赞扬的。
锻炼、饮食、认知刺激显现出了一些积极效果，尽管证据还没有足够充分到我们实际上可以确定的地步。
Exercise, diet, cognitive stimulation showed some positive effects, although the evidence was not so strong that we could actually consider these firmly established.
在不久的将来，不确定的将不仅仅是你在屏幕上看到的数字。
In the near future, it's not just going to be the number you see on your screen that will be in doubt.
因为情感上的刺激性，胜利的不确定性增加了其吸引力和别人得到它的欲望。
The uncertainty of winning provides added attraction and desirability through emotional thrills.
我们要确定哪些学生将在未来的一年里有一个大的飞跃，智力上的飞跃，在新学年取得巨大进步。
We identify students who are going to take a big leap, intellectual leap forward in this coming year, and a spurt forward in this coming year.
我们要尽可能谨慎和有效地利用时间，这意味着要确定活动的优先次序，以便将大部分时间花在我们真正想要做的事情上。
We need to use it as carefully and as productively as we can, that means prioritising our activities so that we spend most time on the things we really want to do.
你能确定你已经记下了你车里的每一个存放零食的地方，或者你桌子上的每一把坚果了吗？
Can you be sure you've noted every snack bar in your car, or every handful of nuts at your desk?
如果你知道你所在的高度和周围的位置，原则上就可以确定你在球面上的位置。
If you know how high you are and where you are around, in principle you know where you are on the sphere.
如果你知道你所在的高度和周围的位置，原则上就可以确定你在球面上的位置。
If you know how high you are and where you are around, in principle you know where you are on the sphere.
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