事实上，这里存在两个问题。
关于这个观点存在两个问题。
图1中的处理存在两个问题。
当然期间也存在两个问题。
这种方法存在两个问题。
这里存在两个问题。
这里有两句段存在两个问题：第一句和第二句。
There are two main problems with that two-sentence paragraph: the first sentence and the second sentence.
目前的城轨交通供电模式存在两个问题。
There are two problems concerning the current power supply pattern of urban rail transit.
但基于计算设备的认证主要存在两个问题。
But there are two main problems with authentication based on a computing device.
那些有很多盘区、或者至少曾经有过的表，存在两个问题。
There are two problems with tables that have lots of extents, or at least there used to be.
这是一个有力、甚至赏心悦目的论点，但其中存在两个问题。
It is a powerful and even a beautiful argument, but there are two problems with it.
如图6中所示，这种方法存在两个问题：首先，列表显示了重复的作者名。
As you can see in Figure 6, this approach has two problems: first, the list shows duplicate author names.
被动式目标跟踪主要存在两个问题：系统非线性和距离不可观测性。
There are two main problems in bearing-only tracking: system's nonlinearity and inscrutability of the range of target.
和您一样，我也在尝试以更加函数化的方式进行思考，而清单2中的代码存在两个问题。
But like you, I'm trying to learn to think more functionally, and the code in Listing 2 bothered me in two ways.
公司的目标长期以来一直就是：超过整个经济增长的速度。这个目标至少存在两个问题。
GE's ambition had long been simply to grow faster than the economy, an objective with at least two problems.
根据波特博士的说法，家庭主妇们典型地存在两个问题，需要她们从家庭到工作的成功转变中去克服。
According to Dr. Potter, housewives typically have two problems that they need to overcome in making a successful transition from the home to the workforce.
主要存在两个问题：第一，中国人对自己的看法和世界对中国的看法之间存在巨大的差距。
There are two main problems: first, the Chinese view of themselves and the world's perception of China is a huge gap between.
利用映射法生成全四边形网格时存在两个问题：一是网格疏密过渡难，二是自动化程度不高。
There are two problems when using mapping method to generate all quadrilateral meshes: one is difficulty of mesh transition; the other is low degree of automation.
只是存在两个问题：它的储能比钴氧化物要低，而且导电率也较低，这限制了电池释放和存储能量的速度。
There were just two problems: it had a lower energy-density than cobalt oxide and suffered from low conductivity, limiting the rate at which energy could be delivered and stored by the battery.
我国初学游泳教学一直存在两个问题：游泳作为一项人人必备的生存技能在学龄人群中还不够普及；
Two main problems have existed for a long time in the elementary swimming teaching in our country. First, swimming as a survival skill has not been popularized among school age people;
但是通过分析我们发现，由于仅仅使用文档频率来衡量特征的区分能力，文档频率方法存在两个问题。
However, because the method of DF only USES document frequency to scale the distinguish capacity, we find it has two disadvantages.
细心的读者可能会认为我漏掉了什么，在上一节CSS的好处中，我提到了在HTML中使用内嵌格式存在两个问题。
Careful readers might think that I left something out; in the previous section, the benefits of CSS, I mentioned two problems with inline formatting in HTML.
但是这两个定义都存在很严重的问题。
但是治疗师们的断语都存在一个小问题：这对假定不够理想的父母已经培养出另外两个有教养的完美好男孩。
But there was one small problem with these explanations: this supposedly suboptimal couple had managed to raise two other well-adjusted and perfectly nice boys.
在处理外部库的时候，确实存在这两个问题，但是对于使用自己开发的代码的开发者来说，这并不是什么问题，因为它拥有那些代码。
Both of these problems are real issues when having to deal with external libraries, but they are not such a problem for a developer working in his own code because he owns the code.
例如，如果重新编译使用者和提供者导致交互出现问题，则两个组件之间存在紧密耦合关系。
For example, if recompiling both the consumer and the provider resolve some problem in the interaction, then the two components were tightly coupled.
但是，已经说过，仍然存在相同的基本问题：程序员仍然需要过分担心两个线程之间的通信和协调问题。
However, having said all that, the same basic problem remains: Programmers still have to worry way too much about the issues of signaling and coordinating the two threads.
但是，已经说过，仍然存在相同的基本问题：程序员仍然需要过分担心两个线程之间的通信和协调问题。
However, having said all that, the same basic problem remains: Programmers still have to worry way too much about the issues of signaling and coordinating the two threads.
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