This is impossible when the component is reading data from a database because in this case, the number of items in the shopping cart is unknown before it's read.
当组件正在从数据库中读取数据时这是不可能的，因为在本例中，购物车中的条目数量在读取前是未知的。
The use case for reading the shopping cart includes reading the Cart, the CartItems, as well as the article information that consists of the Article and ArticleDescription objects.
读取购物车的用例包括读取Cart和CartItems ，就象商品信息包括Article 和ArticleDescription对象一样。
I have experienced a case where the price for a shopping cart item was calculated in an Enterprise Resource Planning (erp) system, item by item.
我曾经历过这样一个情况，在企业资源计划(ERP)系统中，购物车里条目的价钱逐个地计算。
In the former case, the server discards the data represented by the shopping cart as soon as it has been used to render an appropriate page.
在前一种情况下，一旦服务器使用购物车提供的数据呈现完相应的页面后，就将丢弃这些数据。
That is, "registering a customer" is required by the "buying items in shopping cart" use case, but it simply precedes the "browsing the catalog" use case -- it's not a requirement.
即，“购买购物车中的商品”用例必须要使用“注册用户”，但“注册用户”只是在“浏览商品目录”之前--它并不是一个必要条件。
The data read in the use case should be used to display the cart to the user.
用例中读取的数据应该用来向用户显示购物车。
To implement the use case, the finder service retrieves all items for the cart from the CartItemHome component.
要实现该用例，finder服务从 CartItemHome 组件中检索购物车的所有条目。
In the shopping cart use case example you must assume that you have a table for each of the objects cart, CartItem, Article, and ArticleDescription.
在购物车用例实例中，您必须假设对于每个对象您都有一张表，这些对象是指：Cart、CartItem、Article和ArticleDescription。
To implement the use case, the client first performs a remote call to CartService and retrieves the Cart and CartItem objects.
要实现该用例，客户端首先执行一个对CartService的远程调用，检索Cart和CartItem对象。
In the example use case, this means that the ArticleHome component should not know about the CartHome component and its Cart objects and vice versa.
在实例用例中，也就是说ArticleHome组件不应该知道CartHome组件及它的Cart对象，反之亦然。
This function is the entry point for the second use case: adding an Item to the shopping cart.
这个函数是第二个用例的入口点：向购物车中添加item。
The client that calls the service for the use case is now assumed to be a Web-based store application that displays the cart to a user.
现在假设调用用例服务的客户端是一个基于Web的商店应用程序，它向用户显示购物车。
Your target web service in this case is Payvment (see Resources for a link), a "shopping cart in the cloud" implementation.
在本例中您的目标web服务是Payvment(参见参考资料获取链接)，即一个“云中购物车”实现。
Assume the above use case of reading a shopping cart is implemented as a web service (the home components are wrapped in web services, while the user is using a web services client).
假设上面的读取购物车用例是作为一个Web服务来实现的(home组件封装在Web服务中，而用户使用Web服务客户端)。
The cart could be a little ways up the hill, and in this case, it's enthalpy, but again, there would be lots of accessible states.
在这种状态下，小车会稍稍向山坡上移动，在现在考虑的情况下，自由焓决定一切，但是同样有很多可能的状态。
In either case, whether at $200 or $300, Bush does not want to be the President who leaves the White House on a mule -drawn cart.
无论是200美元每桶还是300美元每桶，布什都不希望自己坐着骡拉车离开白宫。
The Charge Nurse will check to make sure necessary supplies and equipment are at hand for the case. These are located in the Neuro Viewing Room in the Prion Precaution Cart.
护士长应核对以确定手术所需辅助材料和设备随手可得，放置在神经观片室的朊毒体防护便携箱内。
The husband picks up a case of Budweiser and puts it in their cart.
做先生的扛起一箱百威啤酒，放进推车里。
For example, you could create a test case, Add Item to Shopping Cart, with just one test step named create test Steps.
例如，您可以创建测试用例“向购物车中添加商品”，其中只包含一个名为“创建测试步骤”的测试步骤。
Gold farmland one tooth bites Luo to make to ring ring, the voice has, low dumb ask a way: "the day before yesterday evening...... when the homicide case take place also hear a water cart voice?"
金田一牙咬咯作响响，声音有、低哑问道：“前天晚上……命案发生时，也听到水车声吗？”
Gold farmland one tooth bites Luo to make to ring ring, the voice has, low dumb ask a way: "the day before yesterday evening...... when the homicide case take place also hear a water cart voice?"
金田一牙咬咯作响响，声音有、低哑问道：“前天晚上……命案发生时，也听到水车声吗？”
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