一、机械设计制造及其自动化的意思是指利用机械工程的原理和技术，通过设计、制造和自动化来实现生产过程的自动化。它涉及到机械结构设计、工艺流程规划、设备选型和等方面，旨在提高生产效率、降低成本、提高产品质量。

Mechanical design, manufacturing and automation refers to the use of mechanical engineering principles and technology to achieve automation in the production process through design, manufacturing and automated control. It involves aspects such as mechanical structure design, process planning, equipment selection and control systems, aiming to improve production efficiency, reduce costs and improve product quality.

二、怎么读：[məˈkænɪkəl dɪˈzaɪn ˌmænjuˈfækʃərɪŋ ənd ɔːtəmeɪʃən]

Three、用法：机械设计制造及其自动化是一个专业领域的术语，常用于描述生产过程中使用机械工程原理和技术来实现自动化的过程。它可以应用于各种行业，如汽车制造、航空航天、电子产品等。

Usage: Mechanical design, manufacturing and automation is a term used in the professional field to describe the process of using mechanical engineering principles and technology to achieve automation in the production process. It can be applied in various industries such as automotive manufacturing, aerospace, electronics, etc.

四、例句：

1. The company specializes in mechanical design, manufacturing and automation solutions for the automotive industry.（该公司专门为汽车行业提供机械设计、制造和自动化解决方案。）

2. With the advancement of technology, more and more factories are adopting mechanical design, manufacturing and automation to improve production efficiency.（随着技术的进步，越来越多的工厂采用机械设计、制造和自动化来提高生产效率。）

3. The course covers ics such as mechanical design, manufacturing processes and automation control systems.（该课程涵盖了机械设计、制造工艺和自动化等主题。）

4. The company has invested heavily in the latest equipment to achieve full mechanical design, manufacturing and automation capabilities.（该公司投资巨大，拥有最新设备，实现全面的机械设计、制造和自动化能力。）

5. The use of mechanical design, manufacturing and automation has greatly improved the quality and efficiency of our production process.（使用机械设计、制造和自动化大大提高了我们生产过程的质量和效率。）

五、同义词及用法：

1. 机械工程与自动化：与“机械设计制造及其自动化”意思相同，是指利用机械工程原理和技术来实现生产过程的自动化。

2. 机电一体化：指机械、电气和的一体化，旨在实现生产过程的自动化。

3. 自动化生产：指利用自动化技术来实现生产过程的自动化，包括机械设计制造及其自动化在内。

4. 数控加工：指利用计算机来机床进行加工，实现生产过程的自动化。

5. 智能制造：指利用先进技术如人工智能、大数据等来实现生产过程的智能化和自动化。

Synonyms and usage:

1. Mechanical engineering and automation: Same meaning as "mechanical design, manufacturing and automation", it refers to the use of mechanical engineering principles and technology to achieve automation in the production process.

2. Mechatronics: Refers to the integration of mechanical, electrical and control systems, aiming to achieve automation in the production process.

3. Automated production: Refers to the use of automation technology to achieve automation in the production process, including mechanical design, manufacturing and automation.

4. CNC machining: Refers to using computer control systems to control machine tools for processing, achieving automation in the production process.

5. Intelligent manufacturing: Refers to using advanced technologies such as artificial intelligence and big data to achieve intelligence and automation in the production process.

六、编辑总结：

机械设计制造及其自动化是一门涵盖广泛的专业领域，它利用机械工程原理和技术来实现生产过程的自动化，旨在提高生产效率、降低成本和提高产品质量。它可以应用于各种行业，如汽车制造、航空航天、电子产品等。同时，它也与其他术语如机械工程与自动化、机电一体化、自动化生产等有着相似的含义。随着技术的不断发展，机械设计制造及其自动化也在不断进步，为各行各业的生产过程带来更大的便利和效率。