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List of contents of this article:

• 1, What is system sampling?
• 2, Definition of system sampling Meaning
• 3. What is the use of the extraction principle of What is the use of the extraction principle of TRIZ?
• 4, Is the voice extraction system take turns to extract experts

What is system sampling?

1. The systematic sampling method, also known as the isometric sampling method or mechanical sampling method, is to take samples from the population according to a certain sampling distance. System sampling method, also known as isometric sampling method or mechanical sampling method, is to take samples from the population according to a certain sampling distance.

2. System sampling is to arrange all the units in the population in a certain order, randomly select a unit as the initial unit within the specified range, and then determine other sample units according to the predetermined rules.

3. System sampling is also known as mechanical sampling or isometric sampling. It is a sampling box design and sampling technique that arranges all the sampling units in a certain order in the sampling population and extracts a sampling unit at certain intervals.

definition of system sampling

system sampling is to arrange all units in a certain order and randomly extract them within the specified range. A unit is used as the initial unit, and then other sample units are determined according to the predetermined rules.

Question 2: What is system sampling? System sampling method: also known as isometric sampling method or mechanical sampling method, the sample is taken from the mother according to a certain sampling distance.

System sampling method: also known as isometric sampling method or mechanical sampling method. It is to take samples from the mother body according to a certain sampling distance.

The systematic sampling method, also known as the isometric sampling method or mechanical sampling method, is to take samples from the whole population based on a certain sampling distance.

What is the use of the extraction principle of TRIZ?

1. Adding water-absorbing paper to the Pizza box uses the extraction principle recommended by TRIZ.

2、. The Bingo Plus stockprinciple of segmentation divides a complete system into several subsystems and reorganizes the divided subsystems in order to achieve new functions or eliminate harmful effects.

3. It helps to maintain balance and prevent ankle sprains. This proactive creative design is in line with the principle of TRIZ's pre-reaction.

4. The principle of extraction is to extract parts or attributes that may have a negative impact from the object, or only extract the necessary parts or attributes from the object.

5. Extraction principle.Identify the useful and harmful characteristics in the system, which are divided into harmful characteristics and useful characteristics. Separated from the system, you can get a system with better effect. Meaning: Invent problem-solving algorithm ARIZ: a technical system mainly aimed at complex problem situations, contradictions and unclear related components.

6. In a word, TRIZ's multi-use principle has important application value. It can help people understand the problem more comprehensively, provide innovative ideas and methods, and promote the cross-border integration of knowledge. By applying the principle of multi-use, we can better solve problems, create better products and services, and promote the development and progress of society.

Is the voice extraction system taking turns to extract experts

1. The voice notification system takes turns to extract experts, but to select according to the proportion of the required number of people.There are the following steps. The new system selects experts according to the required number of people: 1:3, and all the selected experts are notified at the same time. After receiving the voice notification, please ask the expert to choose whether to attend as soon as possible.

2. In the project bidding in Zhejiang Province, the system background will randomly select bid evaluation experts and make voice notifications within 24 hours before the opening of the bid. The bidder can only check the list of experts until 15 minutes before the bid opening. The "Expert Extraction System" is tailor-made for bidding institutions to establish an expert information database and software to extract experts from the expert database.

3. If the audit is passed, the system will randomly select experts within the specified time, and contact the experts by voice and text message to confirm whether the other party participates in the review. After the expert extraction, the status of the extraction project will show "successful extraction" or "insufficient number of people".

4. The purchaser or the operator of the procurement agency shall randomly select experts under the joint supervision of the managers and supervisors of the expert database in the financial department, and in principle, the computer automatic voice system shall be used to notify the experts. The selection and notification of experts will be kept confidential.

5. Secondly, the managers of the professional talent pool of the bureau, the personnel dispatched by the Discipline Inspection and Supervision Office (the personnel dispatched to supervise the Discipline Inspection and Supervision Office before the completion of the voice system), the project owner or tenderer participate in the whole extraction process. Each review or bidding project shall be assigned by a representative to the project owner or tenderer.