An HIV test reveals infection status by detecting the presence or absence of antibodies to HIV in the blood.
艾滋病毒检测通过检查血液中是否存在艾滋病毒抗体，显示感染状况。
By contrast, in the absence of such a structure, each it initiative might naturally come to its own conclusion as to what Customer Tax Status means and how it should be defined.
相比之下，如果缺少这样一个结构，每个IT方案自然会对CustomerTaxStatus的含义和应该如何定义这个术语得出自己的结论。
It is the responsibility of our Ajax code to check for 304 status, and if found, simply not to change client application state based on the (absence of) data sent from the poll.
我们需要使用Ajax代码检查304状态，如果存在的话，那么也不要根据轮询发送的数据修改客户机应用程序状态。
The absence of a credible alternative to the dollar means that, despite its declining value, its status as the world's reserve currency is not seriously under threat.
缺乏一种替代性的货币意味着即便美元的价值持续下跌，但它世界储备货币的地位不会受到严重威胁。
Nothing too fancy or showy, of course, and also nothing too clearly marked with real-world signs of status or its absence.
当然，不是很花俏和艳丽，同时也没有现实中符号、建筑或者不存在的东西。
The presence or absence of this common-mode voltage is used as an indication of cable connection status.
的存在或此共模电压的情况下是作为一种电缆连接状态指示。
Purity, which is the absence of impurity, is a prerequisite for access to the holy or for holy status.
纯洁，不纯的反义词，是接近神圣或达到神圣状态的先决条件。
It mainly results from people's lack of awareness of fight of status and the absence of rule by law in the management of college school.
人们对高校身份处分权的认识不足和高校管理中行政法治的缺失是造成这一现象的主要原因。
Low threshold, intense competition, absence of management and other reasons result in high turnover rate of tour guide career, low professional identity and hard working status.
由于门槛过低、竞争激烈、管理缺位等原因，导致出现导游职业离职率高、职业认同感低、工作辛苦的现状。
With a certain interval of time to detect the presence or absence of face and the availability of the human eye, to judge learner status, and implement appropriate measures.
采用一定间隔时间来检测人脸的有无与人眼的有无，据此判断学习者状态，并实施相应措施。
A status detection device such as this makes it possible, for example, to reliably detect the presence or the absence of belt clips in safety belt locks.
诸如此的状态检测设备例如可以可靠地检测安全带锁中是否夹牢。
At the operational level, they were concerned about a status quo bias in zoning, purposeful delays in implementing zoning, and the absence of explicit evaluation of park zoning processes and outcomes.
在运营层面，他们考虑现状分区的偏见，实施分区时的有目的性拖延，和缺少公园分区过程和结果的明确评估。
Background Hospital-acquired anemia (HAA) during acute myocardial infarction (AMI) is associated with higher mortality and worse health status and often develops in the absence of recognized bleeding.
AMI患者医院获得性贫血与高死亡率和健康状态恶化相关，并且经常在无出血的情况下发生。
Background Hospital-acquired anemia (HAA) during acute myocardial infarction (AMI) is associated with higher mortality and worse health status and often develops in the absence of recognized bleeding.
AMI患者医院获得性贫血与高死亡率和健康状态恶化相关，并且经常在无出血的情况下发生。
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