1,803 免版稅視頻檔案，用於"計算機科學"

設計師工藝外太空大學藍色抽象藝術光形狀飛飛機

Banknotes money currency

4K

00:11

Money currency cash

4K

00:10

Cardiac arrhythmia heart

醫療藥物健康

Full HD

01:11

Mini gastric bypass surgery stomach medical

醫療藥物科學

Full HD

00:20

Person drawing ink

騎自行車紙

Full HD

00:15

Iphone photo photography

電子學攝影

Full HD

00:15

Dragonfly insects odonata

Full HD

00:12

Hubble space telescope astronauts nasa

Full HD

00:27

Jupiter moon space

奇幻小說外太空

4K

00:27

Hubble space telescope astronauts nasa

Full HD

00:24

Earth science world

Full HD

00:20

Retro air airplane

復古風格飛機

Full HD

00:09

The teacher writes homework the teacher wipes the board yellow cloth

鐵路列車學校

Full HD

00:12

The teacher writes homework the teacher wipes the board yellow cloth

鐵路列車學校

Full HD

00:07

The teacher writes homework the teacher wipes the board yellow cloth

鐵路列車學校

Full HD

00:08

Intestines intestine function

醫療藥物科學

Full HD

00:13

Human skeleton anatomy

醫療藥物科學

Full HD

01:02

The teacher writes homework the teacher wipes the board teacher

鐵路列車學校

Full HD

00:21

Liver function names

醫療藥物科學

Full HD

00:10

Eyeball eye anatomy

醫療藥物科學

4K

00:10

Science fiction space universe

奇幻小說外太空

Full HD

00:25

Galaxy universe space

奇幻小說外太空

4K

00:32

Futuristic abstract visual

Full HD

00:09

Hi tech vj loops tech

Full HD

00:10

Hi tech hi-tech vj loop

Full HD

00:03

Earth science space

Full HD

00:20

Witch scary halloween

萬聖夜女巫

Full HD

00:09

Dna loop abstract

抽象藝術模式

Full HD

00:10

Crystal background abstract

電子學背景

00:14

Stent process heart

醫療藥物科學

Full HD

00:22

Touchscreen zoom out smartphone

電子學工藝

Full HD

00:07

Smartphone touch screen navigation

電子學男性

HD

00:07

Construction site excavator digging

建築物產業

Full HD

00:24

Earth night globe

Full HD

00:20

Victorian office antique

優質的採礦業

Full HD

00:21

Rotation dice atoms

Full HD

00:10

Night sky stars

HD

00:25

Floor abstract lights

4K

00:10

Food desktop refreshment

Full HD

00:18

Robot hydraulics dusk

機器人金属

HD

00:03

Tooth bridge medical dental

醫療藥物工具類

Full HD

00:11

Air plane airplane

Full HD

00:10

Airport tarmac plane

航空器飛機

4K

00:26

Time circles 70s cloud-ring-timer

Full HD

00:14

Countdown timer numbers

計時器倒計時

Full HD

00:30

Countdown numbers 3d numbers

計時器倒計時

Full HD

00:10

Airplane air plane

航空器機翼

Full HD

00:12

Ceiling science fiction abstract

Full HD

00:04

Grass nature green

Full HD

00:24

Welding plasma tig

Full HD

00:19

Keyboard typing writing

Full HD

00:12

Flower of life sacred geometry geometry

Full HD

01:00

The lessons are over teacher folder

Full HD

00:18

The lessons are over teacher folder

Full HD

00:23

Ceiling blinking lights

HD

00:23

Board chalk finance

Full HD

00:30

Board chalk finance

Full HD

00:13

Piggy bank finance

Full HD

00:20

Approach plane flying

Full HD

00:27

Solar energy renewable energy solar panel

Full HD

00:30

Abstract motion backgrounds

4K

00:20

Abstract motion backgrounds

4K

00:20

Abstract motion backgrounds

4K

00:20

Abstract motion backgrounds

4K

00:20

Abstract motion backgrounds

4K

00:20

Abstract motion backgrounds

4K

00:20

Silhouette board drawn

Full HD

00:17

Whirl science rays

HD

00:45

Airplanes airport runway

Full HD

00:38

Tearing down construction site building

建築物產業

Full HD

00:54

Airport runway airplanes

Full HD

00:48

Timer numbers countdown

計時器時間

Full HD

00:12

Happy new year christmas year

聖誕節天時冷

Full HD

00:25

Earth cube beach ball

奇幻小說外太空

Full HD

00:30

Sky blue airplane

Full HD

00:29

Looped pyramid triangle

HD

00:03

Countdown timer digital

計時器數字的

Full HD

01:00

Airplane wing airline

Full HD

01:14

Brain ischemic stroke

醫療藥物健康

Full HD

00:30

Airplane water plane

HD

00:06

Smartphone animation seo

Full HD

00:07

Graphic shape move

奇幻小說抽象藝術

Full HD

00:20

Sketch draw pencil

藝術家學校

Full HD

00:15

Graphic shape move

奇幻小說抽象藝術

Full HD

00:30

Graphic shape move

奇幻小說抽象藝術

Full HD

00:25

Graphic shape move

奇幻小說抽象藝術

Full HD

00:25

Hay hay bales tractor

拖拉機農業

Full HD

00:26

Plane airplane flight

航空器飛機

Full HD

00:09

Space warp tunnel

Full HD

00:05

Airport airliner airplanes

航空器旅行

Full HD

00:53

Director movie film

電子學電影院

Full HD

00:13

Space particles color

Full HD

00:10

Airline airplane plane

Full HD

00:23

Plane start begin

Full HD

00:08

Countdown timer numbers

計時器時間

Full HD

00:30

Counter countdown clock

計時器時鐘

Full HD

10:08

Science technology heat

Full HD

00:19

Welding tig machine

Full HD

00:25

Flying clouds plane

Full HD

00:15

Clouds fly up

Full HD

00:15

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