17,774 免费图片适用于科学

图书教科书科学家实验室教科书生物学文学研究医学图书馆的书

Free stock photo of discovery, fire, galaxy

显微镜

实验室科学

显微镜

实验室科学

Xray

Microchips in computer

显微镜

实验室科学

Bookshop exhibition books

非洲人图书

People man work

Close-up of Camera

工具类科学

显微镜

实验室科学

显微镜

实验室科学

Fullmoon on black background

Anemometer with the sky

View of Modern Camera Against White Background

工具类科学

X射线

Dentist chair

Free stock photo of circuit board, close, computer chip

视力检查

DNA

实验室科学

DNA

实验室科学

讀書會

Woman touching her face

Evil Scientist

Free stock photo of discovery, earth, nasa

Pages in the sun

Space Satellite

A scientist implementing molecular testing. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

科学家科学

X射线

Teacher desk

Essential oil and forget-me-nots

医疗药物科学

Free stock photo of cosmos, earth, galaxy

A scientist testing bacterial samples for their antimicrobial susceptibility. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

科学家科学

Parabolic antenna

Books Background

Evil Scientist

万圣夜怪物

Scientist pipetting samples of bronchoalveolar lavage (BAL) fluid. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

科学家科学

Evil scientist

万圣夜奇幻

Evil Scientist

Teacher desk

Microprocesor

Doctor nurse healthcare

非洲人面具

X射线

Open book

White Outer Space Satellite

Woman in neon

Shortnose sturgeon-1

Seeds are secured in plant pillows for the Veggie plant growth system inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida.

外层空间科学

Amp

People man glasses

Book worm

Light Bulb

X射线

Teacher desk

天文学家

School principal

X射线

White coronavirus under a Microscope. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

显微镜科学

打开的书本

小学生

Evil scientist

万圣夜奇幻

图书馆图书

Old observatory in Linnansaari, Finland

建筑物科学

Aliens Planet

外层空间星系

Health officials inspecting specimens suspected of being connected to a hantavirus outbreak. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

科学家科学

天文学家

打开的书本

Scientist microscope

科学家显微镜

Test Tube Science

管子 (容器)科学

Smallmouth bass propagation-1

Smallmouth bass propagation at Warm Springs hatchery

Laboratory Scientist Chemist

科学家实验室

天文学家

Scientist experiment

Smallmouth bass propagation at Warm Springs Hachery

Smallmouth bass progagation at Warm Springs hatchery

A scientist adding a stool sample to the cell culture medium, along with glass beads. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

科学家实验室

Surgery Medical Doctor

Smallmouth bass progagation at Warm Springs hatchery-2

Smallmouth bass propagation

Smallmouth bass progagation at Warm Springs hatchery-1

Institute of Biological Sciences of the University of Brasília, Brazil

打开的书本

打开的书本

打开的书本

Laboratory technician working with electronic cigarettes. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

科学家科学

Groom’s Cufflinks

爱因斯坦

着名人物人

Arabidopsis seeds are being planted in Veggie Passive Orbital Nutrient Delivery System (PONDS) units inside a laboratory at the Space Station Processing Facility at NASA’s Kennedy Space Center in Florida.

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