外文翻譯--燃?xì)鈭?bào)警器

1、附錄：外文文獻(xiàn)及譯文 附錄：外文文獻(xiàn)及譯文外文原文 外文原文 1 ： Combustible gas alarmCombustible gas alarmto prevent gas leakage as a powerful weapon, it has, however, does not seem to have attracted the attention it deserves. This security and h

2、ousehold fire extinguishers can be placed on a par, or even more than the fire extinguisher into the family of the little things that most families do not see it as one thing, do not even know there can be such a fundame

3、ntal solution to gas poisoning and gas explosion, “the protection of God“ exists. Shanghai as an example, last year, due to poisoning and cooking gas water heater overflow out, piece of rubber hose off the aging caused b

4、y gas leakage and poisoning caused by a total of 86 deaths, accounting for all the gas data of accidents were 84%. However, according to an authoritative department to another survey released shows that in Shanghai, abou

5、t three million gas users, the installation of domestic gas leakage alarm of less than 10%. In their daily lives, whether it is gas poisoning or gas explosion, because of gas leak into the sky. Home life, no one is insep

6、arable from the use of gas, no matter what you do more preventive measures, but a hundred secret inevitably very careful, not to mention of any fire safety measures are not taken on even more dangerous family. Therefore

7、it is necessary to prepare a Combustible gas at home at any time for the owner guardian of the gas appliances, a gas alert to this invisible killer slipped quietly out to help the owner of the elimination of family probl

8、ems in the bud, the domestic security of the good housekeeper, so that family members with the use of gas, the use of hearts at ease. For example, there are many families of fire gas explosion, do not know in the room fu

9、ll of gas leaking out, the blind use of electrical switches and tragedy in an instantif there is an alarm, a tragedy like this ,can be greatly avoided. Combustible gas alarm into the family, will become a good home secur

10、ity to help, this is an indisputable fact Product Description: Detection of gas: natural gas, liquefied petroleum gas, city gas (H2) Size: 115mm * 71mm * 43.3mm (1) add automatic sensor drift compensation, the real and o

11、mitted to prevent the false positives. (2) The failure prompted the police to enable the user to replace and repair, to prevent the non-reported. (3) MCU control the entire process, working temperature -40 degrees to 80

12、degrees. Operating voltage: 220VAC or 110VAC, 12VDC-20VDC Additional features: linkage exhaust fan, the 3外文原文 外文原文 2：STC89C52 Date SheetDescriptionThe STC89C52 is a low-power， high-performance CMOS 8-bit microcontroller

13、with 8Kbytes of in-system programmable Flash memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. The

14、on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with in-system programmable Flash on a monolithic chip， the Atme

15、l STC89C52 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications.The STC89C52 provides the following standard features: 8K bytes of Flash， 256 by

16、tes of RAM， 32 I/O lines， Watchdog timer， two data pointers， three 16-bit timer/counters， a six-vector two-level interrupt architecture， a full duplex serial port， on-chip oscillator， and clock circuitry. In addition， th

17、e STC89C52 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM， timer/counters， serial port， and

18、interrupt system to continue functioning. The Power-down mode saves the RAM contents but freezes the oscillator， disabling all other chip functions until the next interrupt or hardware reset.VCC Supply voltage.GND

19、 Ground.Port 0 Port 0 is an 8-bit open drain bidirectional I/O port. As an output port， each pin can sink eight TTL inputs. When 1sare written to port 0 pins， the pins can be used as highimpe dance inputs. Port 0 can

20、 also be configured to be the multiplexed loworder address/data bus during accesses to external program and data memory. In this mode， P0 has internal pullups. Port 0 also receives the code bytes during Flash programming

21、 and outputs the code bytes during program verification. External pullups are required during program verification.Port 1 Port 1 is an 8-bit bidirectional I/O port with internal pullups. The Port 1 output buffers can si