One Country Two Systems

One Country Two Systems is a governance framework in which one sovereign state accommodates distinct political, legal, and economic systems within different regions, making it important for understanding institutional diversity and social behavior. Its mechanism combines national sovereignty with a high degree of regional autonomy, allowing special administrative regions to retain separate laws, courts, markets, and administrative practices under a shared constitutional order. Applied in Hong Kong and Macau, the framework shapes how institutions, organizations, and individuals respond to authority, policy, and social change. Its outcomes provide a significant case for studying governance, identity, political expectations, and behavior in complex societies.

One Country Two Systems - Related Videos

Research

JoVE Journal - Biology

The Use of Chemostats in Microbial Systems Biology

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Cited by 73 •

2013

Cell growth rate is a regulated process and a primary determinant of cell physiology. Continuous culturing using chemostats enables extrinsic control of cell growth rate by nutrient limitation facilitating the study of molecular networks that control cell growth and how those networks evolve to optimize cell growth.

Education

JoVE Core - Electrical Engineering

Second Order systems II

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2024

In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero. If ζ...

First Order Systems

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2024

First-order systems, such as RC circuits, are foundational in understanding dynamic systems due to their straightforward input-output relationship. Analyzing their responses to different input functions under zero initial conditions reveals significant insights into system behavior. When a first-order system is subjected to a unit-step input, its response is characterized by its transfer function. By applying the Laplace transform of the unit-step input to the transfer function, expanding the...

Second Order systems I

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2024

A servo system exemplifies a second-order system, featuring a proportional controller and load elements that ensure the output position aligns with the input position. The relationship between these components is described by a second-order differential equation. Applying the Laplace transform under zero initial conditions yields the transfer function, showing how inputs are converted to outputs in the system. By reinterpreting the system, one can derive the closed-loop transfer function, which...

Three-Dimensional Culture Systems: Spheroids and Organoids

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2026

Three-dimensional (3D) culture systems, including spheroids and organoids, support New Approach Methodology (NAM)-aligned research by providing more physiologically relevant models than conventional two-dimensional cell cultures. Because they more closely resemble the structure and cellular interactions of tissues and organs, these systems can provide physiologically relevant data before advancing to animal studies. Spheroids as Disease and Drug Screening Models Spheroids are generated when one...

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