Concept map description： Imagine a picture divided into four parts

Concept map description： Imagine a picture divided into four parts，Each section represents a key point mentioned： Durability Test： This part of the image shows a wooden vending machine under different environmental conditions（Like rain、snow、Hot sun and humidity）Test scenario。Can depict a laboratory environment，The vending machine is placed in a large environmental simulator，The simulator screen displays different climate conditions.。 User interaction optimization： This section shows a user using a touch screen to operate a vending machine.。A friendly graphical user interface is displayed on the touch screen，Have clear instructions and interactive elements。There can be a designer next to them observing the user's interaction，and take notes on the tablet。 Diversification of payment systems： Showing a user using a mobile phone to pay via NFC technology。There is a payment options panel next to the vending machine，There are different payment method icons on it，Such as qr code、Credit cards and mobile payments。 Intelligent upgrade： This section depicts a central control screen，It shows data analysis of inventory management and charts of consumer purchases.。Next to the screen is an AI chip or symbol that is learning and adapting to this data.。 The whole picture can be streamlined and connected by lines to show the connection between these parts.，Highlight the overall and future development potential of the vending machine system。

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))