The use of herbicides and intensive forms of agriculture means that fields of wheat and barley now have few weeds.
除草剂的使用和集约型农业使得现在小麦和大麦麦田里几乎没有杂草。
Later, they learned to work with the seasons, planting at the right time and, in dry areas, making use of annual floods to irrigate their fields.
后来，他们学会了按季节耕作，适时播种，以及在干旱地区利用每年的洪水来灌溉他们的农田。
Because the meaning of a formal topic should never vary based on its use, these fields should be part of the topic.
因为正式题目的含义不会根据它的使用变来变去，所以这些字段应当成为题目的一部分。
Code fields may use an abstract set of alphabetic values.
代码字段可能使用字母值的一个抽象集。
Another way to incorporate metadata conditions is to use a query form, whose fields correspond to the elements of the metadata schema.
合并元数据条件的另一个方法是使用查询表单，其字段对应于元数据模式的元素。
In a document-oriented database, each business card would be held in its own document, each of which can define the fields it wishes to use.
在面向文档的数据库中，每个名片都储存在各自的文档中，并且每个文档都可以定义它需要使用的字段。
This solution is rather crude, however, closely resembling the use of hidden form fields to pass along values between requests.
然而，这种解决方案有些简陋，很像使用隐藏的表单字段在请求之间传递值。
You could also optionally specify which fields should be included/excluded by DWR, again through the use of annotations.
也可以随意指定DWR包括/不包括哪些字段，这同样可以通过使用注释实现。
First, all of the fields use the placeholder attribute. This is an HTML5 feature that causes the placeholder text to be shown until that field gains focus.
首先，所有字段都使用占位符属性，这是一个HTML5特性，因此会一直显示占位符文本，直至该字段获得焦点。
You can use SOQL queries to search specific objects or fields of an object, similar to how SELECT queries specific fields in a table.
可以使用SOQL查询来搜索特定对象或是一个对象的特定字段，这与用SELECT查询表中的特定字段非常类似。
Another problem with the use of forms containing multiple data-input fields is that display space is rapidly consumed by the empty input fields.
另外一个与使用包含多个数据输入字段的表单相关的问题就是空白的输入字段会很快占据整个显示空间。
Luckily, the latest version of JSR-14 (1.3) outlaws the use of type parameters in static fields.
幸运的是，JSR - 14的最新版本(1.3)宣布在静态字段中使用类型参数是不合法的。
Use ROW and list constructors to create lists of fields.
使用ROW和LIST构造函数创建字段列表。
For each of the fields in the connector, use the dropdown selector to pick the field you will use with the module for the mapping between the two entities.
对于连接器中的每个字段，使用下拉选择器来选择模块使用的字段，在两个实体间建立映射关系。
This specifies that you want to include only fields related to customer behavior and their use of distribution channels.
这会指定您想包括的只涉及客户行为和他们的分销渠道的字段。
The WSDL specification provides you with two different ways of specifying the use of SOAP header fields.
WSDL规范提供了两种不同的识别SOAP消息头字段用法的方法。
Enable or disable the use of attachment consolidation by completing the fields shown in table 2.
通过填充表2列出的字段，启用或禁用附件整合。
Because they are immensely strong and are good electric conductors, they are poised for use in a wide range of fields from engineering to medicine.
因为它们强度高、导电性好，适用于从工程至医药的广泛领域。
But large swaths of those dry fields could have a valuable new use in their future - making electricity.
不过大面积的干涸土地在未来将有着新的用途——发电。
Given the overall concept of hashcash, the use of its specific fields and delimiters is somewhat arbitrary.
从hashcash概念整体来看，具体域和分隔符的使用从某种程度上说是任意的。
ClearQuest creates an index for certain types of fields, which should cover most use cases.
ClearQuest会为特定类型的字段创建一个索引，它应该涵盖大多数的用例。
There are two different ways to define the use of SOAP header fields in a Web service, namely implicit and explicit headers.
在Web服务中有两种不同的定义SOAP 消息头字段用法的方法，即隐式消息头和显式消息头。
Notice that UpdateParameters USES a parameter element to indicate the names and data types of the fields to use for the parameters.
请注意，UpdateParameters使用Parameter元素来指示要用于参数的字段的名称和数据类型。
Code that makes common use of static fields or other means of caching data is unsafe for scopes because of the assignment rules, which can result in an IllegalAssignmentError.
由于分配规则的限制，通常使用静态字段或其他缓存数据方式的代码会使范围不安全，可能导致IllegalAssignmentError。
These fields can contain up to 32k bytes of text; use these fields to display the multi-line text fields such as Status Update or Description.
这个字段能够包含高达32k字节的文本，利用这些字段来显示多行文本字段，比如StatusUpdate或者Description。
Providing an on-board power supply is difficult, however, so he is investigating the use of external magnetic fields to power the device.
然而，倘若板载动力装置很难实现的话，他正在研究利用外部磁场给器件提供动力的途径。
We create documents for every book we have, and, to fully describe the book's information, we use custom fields as an extension of an ordinary document.
我们为书店的每本书创建文档，并且为了完全地描述关于图书的信息，我们使用定制字段来扩展常规文档。
We create documents for every book we have, and, to fully describe the book's information, we use custom fields as an extension of an ordinary document.
我们为书店的每本书创建文档，并且为了完全地描述关于图书的信息，我们使用定制字段来扩展常规文档。
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