All had been evaluated using a slower but highly accurate test called real-time reverse transcription-polymerase chain reaction, or rRT-PCR, which checks for the genetic material of the virus.
应用一种缓慢但高度准确的试验，检测病毒的基因物质，叫即时逆转录-聚合酶链反应，或是rRT - P CR，全部做了评价。
Lack of preparation can cause test anxiety or make it worse, but for many people test anxiety occurs regardless of preparation or knowledge of the material.
有时，对考试准备不足会导致考试焦虑或者加剧考试焦虑，但对很多人而言，不论准备做得怎样，知识掌握得如何，都会有考试焦虑。
Unlike them, it has refused to sign the test-ban treaty. Unlike them, it declines to end the production of fissile material-uranium and plutonium-for bombs.
与五个核大国不同，它拒绝签署禁止核试条约，它拒绝中止核燃料(铀和钚)生产。
In the laboratory Genencor has produced enough of what it calls BioIsoprene for Goodyear to build and successfully test prototype tyres made with the new material.
在实验室里，Genencor员工已经成功研制出大量被称作生物异戊二烯的产品，固特业公司用这些新材料制成了样品轮胎并且成功地测试了它们。
If oxygen-deficient atmospheres are suspected or can occur, use oxygen monitoring equipment to test for oxygen-deficient atmospheres. Review the appropriate Material Safety Data Sheet (MSDS).
如果怀疑空气中缺氧或缺氧可能发生，使用氧检测设备来测试缺氧空气。可以回顾一下合适的材料安全数据表(MSDS)。
If oxygen-deficient atmospheres are suspected or can occur, use oxygen monitoring equipment to test for oxygen-deficient atmospheres. Review the liquid nitrogen Material Safety Data Sheet (MSDS).
如果怀疑空气中缺氧或缺氧可能发生，使用氧检测设备来测试缺氧空气。可以参考合适的材料安全数据表(MSDS)。
We will arrange for you to be sent more test material.
我们将为您安排发送更多的测试样品。
You will be charged for the extra test material(s) in accordance with the current price list.
同时我们将按照当前的价格表对您超出的额外数量征收相应的费用。
Manufactured concrete masonry blocks have stood the test of time as a core building material for retaining walls.
制造混凝土砌块块经受作为挡土墙核心建筑材料了时间的考验。
By comparing the static and dynamic test results for a strain rate independent material LY12, it is proved that the actual accuracy of the system is in the range of accuracy analysed in this paper.
经对率不敏感材料ly12的动静态试验对比，证明系统的实际误差在分析误差之内。
In this subject, the similar material model in small scale is used for the anti-explosion test, which is combined with the corresponding dynamic value calculation analyses.
本文采用相似材料小比尺模型爆炸试验和相应的动力数值计算分析相结合的方法进行研究。
This method can make the fatigue test result with great dispersion be processed reasonably, so as to provide correct test data for appraisal of material fatigue and estimation of fatigue life.
该方法使分散性很大的疲劳试验结果得以合理处置，从而可准确地提供试验数据，供作材料疲劳鉴定与疲劳寿命估算之用。
Drawings shall be submitted to the Owner for approval showing the location of test pieces. Test certificates shall state the specified properties of the material and heat treatment given.
标示试件位置的图纸应呈递所有人批准。测试证明应说明材料的特定属性及所要进行的热处理。
This paper concentrates on the application research of consistency evaluation technique for the structural test and analysis used in composite material of helicopter.
本文主要进行了一致性评判技术在直升机复合材料结构试验与分析中的应用研究。
Lop Nur is well known as the test site for Chinese nuclear weapons, and the three plants annotated above could be used to produce weapons-grade fissile material.
罗布泊是著名的中国核武器试验场，被标注出来的三个工厂也可以用于生产武器级别的核裂变原料。
This paper describes the structure design, the material selection and performance test of the slip rings for the satellite.
本文叙述了卫星用导电环的结构设计、材料选择和性能测试。
The Paper discusses the test system for material creep with advanced VXI instrument BUS.
介绍了具有先进VX I仪器总线的材料蠕变测试系统。
A test method of velocity measurement for elastic constants of composite material is proposed.
提出了一种实用的声学法测量复合材料弹性常数的方法。
Based on standard test method ASTM C1550 for fibre reinforced concrete (FRC), a modified round panel test method for the material performance of FRC by measuring crack opening width is presented.
在美国材料试验协会标准ASTMC1550圆板试验方法基础上，提出一种改进的基于裂缝宽度量测技术的纤维混凝土(FRC)材料静定圆板试验方法。
The Quality Department is responsible for the test and inspection of the raw material, components, semi-finished products and finished products.
质量部负责原材料、协配件，半成品和成品的检验和验证。
The defects of composite material theory and fiber distance theory are analysed, and they are verified through uniaxial stretch test of continuous fiber reinforced composite material for cement base.
分析复合理论和纤维间距理论的缺陷，并且通过连续纤维增强水泥基复合材料的单轴拉伸试验加以验证。
As for instable material, thermo elements have to significance filtration by test system.
由于材料不稳定，热电元件须由测试系统完成性能筛选。
The heat insulating and reflective film was approved to be a new building material especially suitable for wall and roof insulation by insulation test and actual project application.
本文通过工程实际应用及保温隔热性能测试、比较，证明绝热反射膜是一种特别适于墙体和屋面保温的新型建筑材料。
The heat insulating and reflective film was approved to be a new building material especially suitable for wall and roof insulation by insulation test and actual project application.
本文通过工程实际应用及保温隔热性能测试、比较，证明绝热反射膜是一种特别适于墙体和屋面保温的新型建筑材料。
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