The five basic rights of citizens and the five basic duties are:

the obligation to safeguard national unity and national unity; the obligation to comply with the Constitution and the law; the obligation to safeguard the security, honour and interests of the Fatherland; the obligation to defend the Fatherland and perform military service in accordance with the law; Obligation to pay taxes in accordance with the law.

Legal analysis. If the flow rate is much lower than the minimum flow rate to ensure accuracy, it will result in no output (e.g., vortex flowmeter) or the output signal will be cut off as a small signal (e.g., differential pressure flowmeter), which is unfavorable and unfair to the supplier. In order to prevent the loss of benefits, for a specific set of thermal energy metering equipment, the supply and demand parties often agree that a certain flow value is "agreed lower limit flow" according to the flow measurement range and the range that can be achieved, and if the actual flow rate is less than the agreed value, the lower limit of the charging flow will be charged.

The people's metrology administrative departments at or above the county level may set up metrological verification institutions as needed, or authorize other units of metrological verification institutions to carry out compulsory verification and other verification and testing tasks. Personnel who perform the verification and testing tasks provided for in the preceding paragraph must pass the assessment. This function is usually implemented in flow meters.

According to the needs of the region, the local people's measurement administrative department at or above the county level shall establish social public measurement standard instruments, which shall be used after passing the examination by the people's measurement administrative department at a higher level. Enterprises and institutions may establish the measurement standard instruments used by the unit according to their needs, and the highest measurement standard instruments shall be used after passing the examination presided over by the relevant people's measurement administrative department. Metrological verification work should be carried out in accordance with the principle of economic reasonableness and in the nearest place.

Metrological verification must be carried out in accordance with the national metrological verification system table. The national metrology verification system table shall be formulated by the administrative department of metrology.

Legal basis. Constitution of the People's Republic of China

Article 33 All persons with the nationality of the People's Republic of China are citizens of the People's Republic of China. All citizens of the People's Republic of China are equal before the law. The State respects and protects human rights.

Every citizen enjoys the rights provided for by the Constitution and the law, and at the same time must fulfill the obligations set forth in the Constitution and the law.

Article 34: Citizens of the People's Republic of China who have reached the age of 18 have the right to vote and to stand for election, regardless of ethnicity, race, sex, occupation, family origin, religious belief, educational level, property status, or period of residence; However, this excepts apply to persons who have been deprived of their political rights in accordance with the law.

Five basic obligations: 1. The obligation to safeguard national unity and national unity. 2. Abide by the obligation of the Constitution and laws. 3. The obligation to safeguard the security, honor and interests of the motherland. 4. The obligation to defend the motherland and perform military service in accordance with the law. 5. The obligation to pay taxes according to law.

1. Fundamental rights of citizens.

Citizens enjoy basic rights and interests in the fields of person, politics, economy, and culture in accordance with the provisions of the Constitution. In accordance with the provisions of our Constitution, our citizens enjoy the following fundamental rights and freedoms, including:

1. The right to equality;

2. Personal freedom;

3. Political rights and freedoms;

4. Freedom of religious belief;

5. The right to supervise and obtain compensation;

6. Socio-economic rights;

7. Educational, scientific and cultural rights and freedoms;

8. Women, marriage, family, mothers, children and the elderly are protected by the State.

2. The basic obligations of our citizens.

1. Maintain national unity and unite all ethnic groups in the country.

This is one of the basic obligations that our citizens must fulfill.

2. Abide by the Constitution and laws and respect social morality.

3. Safeguard the security, honor and interests of the motherland.

4. Pay taxes in accordance with the law.

5. The legitimate interests of the state, the collective and other citizens shall not be harmed.