The fishermen know the approximate time of year when they will be allowed to fish, but on any given day, one or more field biologists in a particular area can put a halt to fishing.
渔民们知道一年中允许捕捞的大概时间段，但是在某些日子，一个地区可能有一个或多个实地生物学家中止捕鱼活动。
During his lifetime, Yuan Longping spent more time in the farm field than in his office.
袁隆平一生中在农田里的时间比在办公室里的时间还多。
When there was no place in the whole field left to dig, the rabbit dug a tunnel to right under where the dog was lying all that time.
当整个田地里没有地方可挖时，兔子就在狗一直躺着的地方下面挖了一条隧道。
The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性；采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
If there are meetings and conferences available in your field, try to take the time to attend them on occasion.
如果在你所在的领域中，有时会召开一些聚会和会议，争取偶尔花点时间去参加。
WHEN Charles Darwin opened his first notebook on the subject of how organisms change over time, the field was not even referred to as “evolution”.
当查理斯达尔文打开他的第一本笔记本来研究生物体如何变化的时候，他研究的这个领域还没有被称作“进化论”。
Involving farmer groupings in the management of the new pumping and water control systems means that water gets to the right field at the right time, thus boosting crop yields and farmers' incomes.
让农民分组参与管理新的抽水和水控制系统意味着可以让水在确定的时间流入确定的农田，从而提高作物的产量和农民的收入。
I have been in the field for a long time and had a major research program at Cornell.
我在这个领域已经很久了，并且这是我在康奈尔大学的主要研究项目。
As I mentioned, you were already very successful in the field of law at the time that you decided to write your book.
就像我之前提到的，在您决定写这本书的时候您在法律界已经非常成功了。
Besides the field access time tests, I did the same sort of timing test for method calls.
除了字段接入时间测试之外，我还进行了相同的方法调用时间测试。
When a datagram is forwarded by a gateway, it decreases the value in the time to live field by one.
当数据报经过网关转发时，它就将生存时间字段中的值减一。
Photos are unavoidably limited by the trade-off between depth of field, exposure time and image noise.
你必须在景深、曝光时间和噪点之间做出权衡。
The Expires entity header field gives the date and time after which the response is considered stale.
Expires头部字段提供一个日期和时间，响应在该日期和时间后被认为失效。
These system crontabs have one additional field between the fifth time entry (day) and the command.
在这些系统crontab 中，在第五个时间字段（星期）和命令之间增加了一个字段。
The "real" field tells you the time elapsed between the beginning of the query and the end of query.
“real”字段告诉您从查询开始到结束时所经过的时间。
The model object for TimeEntry, which contains the information used for each time entry field, is shown in Listing 3.
清单3 中显示了 TimeEntry的模型对象（包含每个时间输入字段的信息）。
The next field is DateOccurred; this provides the date and time of the event or message.
接下来的区域是发生的时间；这里提供了事件或者信息发生的日期和时间。
The title and slug are string fields; prose is a text field; and the timestamps are date and time fields.
标题和标头是字符串字段；散文是文本字段；时间截是日期和时间字段。
When you store data into hidden fields, you end up manipulating many hidden fields or manipulating hidden field data every time the user enters new vehicle data.
如果要将数据存储到隐藏字段中，您会为用户每次输入新的车辆数据都要处理很多隐藏字段或处理隐藏字段数据而感到烦恼。
This change in transmission allowed the researchers to find the size and direction of the magnetic field at the same time.
这一传递中的变化使得研究人员可以同时找到磁场的大小和方向。
The Listing 5 code saves the field information at the time a field is visited, because this information will be needed later if the field has an annotation present.
清单5的代码保存了访问字段时的字段信息，因为如果该字段有注释呈现的话，以后将会需要该信息。
In the Server Settings field, select your Default country and Default time zone.
在服务器设置字段，选择默认的国家和时区。
Each time a pointer field in an object in the heap is modified, the corresponding bit in the card map for that card is set.
每次修改堆中对象中的指针字段时，就在卡片映射中设置对应那张卡片的相应位。
"We've always known that the Earth's magnetic field is variable, constantly evolving in time," Raymond said.
“众所周知地球的磁场是变化的，无时无刻不在变化”雷蒙德教授说。
If you make the changes to the page, reload, and press the button repeatedly, you'll see that the text field is updated each time.
更改页面、重新加载并反复按按钮，您将发现文本字段每一次都会相应地进行更新。
Researchers in the field spent time studying sensory perception.
该领域的研究人员把时间花费在研究感官知觉上。
In two interviews, Brown was forced for the first time to field questions about his health. "My sight is not at all deteriorating," he told NBC.
布朗在他的两次采访中，被迫首次回应他的健康问题，“我的视力没有恶化，”他这样告诉nbc。
Another example a little further along the spectrum pops up all the time: field-level security on entry forms.
图谱中更远一点始终出现另一个示例：输入表单的字段级安全性。
Another example a little further along the spectrum pops up all the time: field-level security on entry forms.
图谱中更远一点始终出现另一个示例：输入表单的字段级安全性。
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