题目内容：

    At a time when industries are under greater pressure to reduce costs and increase efficiencies, more production facilities are turning to digital sensing technology to provide the real-time insights they need for improved performance. What if one digital sensor could measure multiple signals?

Yokogawa's DPharp（差压传送器）digital technology has the unique ability to measure two pressure parameters （参数），delivering reliable and accurate measurement of plant operations. The unique aspect of this digital technology is that it measures two parameters in one sensor module, providing additional insight into a plant's operations. It is the only sensor in the world that does this.

DPharp transmitters（发射器）use silicon（硅）resonant（谐振的）sensor technology to measure both differential（差别） and still pressure. The sensor consists of two H-shaped crystal silicon resonators that shake at a certain frequency and, when pressure is applied, the frequency of one resonator increases while the other decreases. By monitoring these frequencies digitally, both differential and still pressure can be measured at the same time. The frequency output is directly read by the central processing unit of the transmitter.

DPharp can be used in any processing plant across any industry—oil and gas to food and drinks. DPharp's unique digital sensing technology allows engineering firms and plant engineers to create designs that will equate to an average reduction of 40 percent. Where they would typically use five measuring devices, they are using three by using the multi-sensing technology. That is a significant cost reduction in the number of devices installed and the added benefit is that, as there are less devices, the engineering and design is less complex, which means less materials and less equipment to maintain. Furthermore, there are fewer transmitter spares required, which reduces costs. Tony Farah, Product Manager, said that more organisations are seeing the significant benefits of smart devices like DPharp.

1.What is special about DPharp digital technology?

A.It provides the real-time insights.

B.It brings significant changes in engineering.

C.It measures two parameters in one sensor.

D.It provides accurate measurement.

2.What is the frequency output read by?

A.Two H-shaped crystal silicon resonators.

B.The central processing unit of the transmitter.

C.Monitoring devices.

D.The operator of the plant.

3.What is the plants' attitude to DPharp?

A.Cautious. B.Ambiguous.

C.Favorable. D.Disapproving.

4.What is the text mainly about?

A.How DPharp is bringing value across production plants.

B.How sensor works in a different way.

C.Why DPharp is efficient and reliable.

D.Where DPharp can be used.