Just like with JDBC, you can access a property value by its name or index.
就像JDBC一样，您可以通过名称或索引来访问它的属性值。
To satisfy this query, you must compute the geographical city center, so create a functional index that computes this value.
要满足这个查询，必须计算地理城市中心，因此，需要创建一个函数索引来计算这个值。
However, if there are many duplicate rows per distinct index value, and the associated table is highly clustered, the added costs of joining through the index can be slight.
然而，如果每个不同的索引值都有许多重复的行，而所关联的表是高度群集的，那么通过索引添加的连接成本可能很低。
It's based on the value of Standard &Poor's 500 Index options.
该指数以为标准普尔500指数期权的价值为基础计算。
Ideally, every key value in the index is unique.
理想情况是，索引中的每个键值都是惟一的。
When they're found, update the value array with the corresponding index.
找到这些字段之后，用对应的索引更新值数组。
From 2001 to the third quarter of 2005, the Shanghai composite index halved in value.
从2001年到2005年第三季度，上证综合指数的价值跌去一半。
When the server's availability index goes below the threshold value, the server is in the Busy state.
当服务器可用性指数低于这个阈值时，服务器就处于繁忙状态。
The ID column in the result set establishes the relationship between index entry and the text value.
结果集中的id列建立起索引条目与文本值之间的关系。
To use each variable, you simply use the column number as the index of the single value you want.
要使用每个变量，您只需将列号用作您所需值的索引即可。
Each event handler receives an index as input value.
每个事件处理程序都会接收到一个索引作为输入值。
The ending index value of this set of elements can be calculated only by adding up the total number of values that occurred in all preceding slices plus the current slice.
计算这个元素集的结束索引值的惟一方法是，求出前面的所有片和当前片中出现的值的总数。
The starting index value of this set of elements can be calculated only by adding up the total number of values that occurred in all of the preceding slices.
计算这个元素集的启始索引值的惟一方法是，求出前面的所有片中出现的值的总数。
In the European Union and Western Europe, Denmark and Finland are best, tied for second with a 9.4 index value.
在欧盟和西欧，丹麦和芬兰是最好的，指数为9.4值，并列第二。
They specify the initial value of the index for the iteration and the index value at which iteration should cease, respectively.
它们分别指定迭代索引的初始值以及迭代索引的终止值。
Note also that a Row is ordered, so that you can pull out name/value pairs by index.
还要注意的是Row 是排序的，这样您就可以通过索引来取出名称／值的对。
If the var attribute is specified, then a scoped variable with the indicated name will be created and assigned the current value of the index for each pass through the iteration.
如果指定了var属性，那么将会创建一个带有指定名称的并限定了作用域的变量，并将每次迭代的当前索引值赋给该变量。
Perform error operations if the input length and ParsePosition index value don't match or if the parsed Number is null.
如果输入长度和parseposition索引值不匹配或解析过的Number是null，则执行的是错误操作。
The generated hash value is numeric, and I use this value as single index key for the string being indexed.
生成的hash值是数值型的，我使用这个值作为被索引的字符串的索引键。
If the code always begins with the index set to zero, after processing, the index value will equal the number of parsed characters.
如果代码常以设置为0的索引开始，处理后，索引值将等于解析过的字符的值。
The two values are concatenated, and the five-bit value is used as the byte index of the concatenated value.
这两个值被串接在一起，5位值用作所串接的值的字节索引。
Only up to a point. Conventional index-tracking has a logical advantage on its side: a value-weighted index represents, by definition, the performance of all investors.
只有达到这么一点，传统的指数跟踪在这方面有一个逻辑优势：按照定义，一个以价值为权重的指数代表所有投资者的业绩。
Refined grains (like white bread) and starches (like potatoes) actually have a higher glycemic index value than sugar does.
精制谷物(比如白面包)和淀粉(比如说土豆)实际上血糖指数比糖还高。
The simplicity of a value-weighted index has to be replaced by a set of complex rules.
简单的市值加权指数已经被一系列复杂的规则所代替。
Finally, if the bargain index value is above a certain threshold, an order is generated.
最后，如果交易指数值高于某个阈值，则生成订单。
If money is kept to monetary phenomena, then anchoring the exchange value to a tradable index would not be difficult to attain and sustain.
把货币的用途限于货币现象，将汇率与一个可以成交的指数挂钩是不难维持的。
In Eastern Europe and Central Asia, Turkey is ranked highest at 61 with 4.2 on the scale, and Turkmenistan and Uzbekistan are lowest, tied for 177 with a 1.6 index value.
在东欧和中亚，土耳其是排名最高达第61，得分4.2，土库曼斯坦和乌兹别克斯坦排名最低，并列为第177，指数值1.6。
The large value of this parameter is better for batch index creation.
对批处理的索引来讲，为这个参数赋一个比较大的值会得到比较好的索引效果。
In Listing 14, a data instance has been added to hold the desired value of the repeat index.
在清单14中，添加了一个数据实例用来保存repeat索引的期望值。
In Listing 14, a data instance has been added to hold the desired value of the repeat index.
在清单14中，添加了一个数据实例用来保存repeat索引的期望值。
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