---
id: vocab-45-14947-同类项
libId: 14947
word: 同类项
type: vocabulary
dictionary:
  id: dict-45
  name: 科技汉语
  cover: https://zwxx.oss-cn-hangzhou.aliyuncs.com/ykdx/1763093718603科技汉语_4372.png
pinyin: tóng lèi xiàng
difficulty: '2'
translations:
  english: Like terms
  french: Articles similaires
  portuguese: Termos semelhantes
  spanish: Elementos similares
properties: mingci
characters:
- char: 同
  id: char-265
  mysqlId: 265
  radical: '4'
  structure: '16'
  pinyin: '18_30'
  english: Same as
  resources:
    audio: https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/国际中文/word/同/speak.mp3
    strokeData: https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E5%90%8C.json
    strokeOrderStatic: null
    strokeOrderDynamic: null
  strokeCount: 0
- char: 类
  id: char-765
  mysqlId: 765
  radical: '83'
  structure: '8'
  pinyin: '10_13'
  english: Class
  resources:
    audio: https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/国际中文/word/类/speak.mp3
    strokeData: https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E7%B1%BB.json
    strokeOrderStatic: null
    strokeOrderDynamic: null
  strokeCount: 0
- char: 项
  id: char-1179
  mysqlId: 1179
  radical: '109'
  structure: '2'
  pinyin: '20_100'
  english: Item
  resources:
    audio: https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/国际中文/word/项/speak.mp3
    strokeData: https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E9%A1%B9.json
    strokeOrderStatic: null
    strokeOrderDynamic: null
  strokeCount: 0
strokes:
  total: 0
  radicals:
    同: '4'
    类: '83'
    项: '109'
  dataSource: hanzi-writer
  strokeDataUrls:
  - https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E5%90%8C.json
  - https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E7%B1%BB.json
  - https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E9%A1%B9.json
media:
  audio: https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/科技汉语/phase/同类项/同类项_中文.MP3
  image: https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/科技汉语/phase/同类项/同类项.jpeg
  strokeOrderStatic: null
  strokeOrderDynamic: null
learning:
  hskLevel: null
  frequency: null
  collocations: []
stats:
  sentenceCount: 2
  describeCount: 0
  characterCount: 3
completeness:
  hasBasicInfo: true
  hasTranslation: true
  hasAudio: true
  hasImage: true
  hasStrokeData: true
  hasExampleSentences: true
missingFields: []
orderNum: 0
source:
  mysqlId: 14947
  mysqlTable: zwxx_vocabulary
  exportedAt: '2026-03-06T19:14:43.313342'
---

# --sentences--

## vs-47705
**sentence**: 3x 和 5x 是同类项，都含有字母 x。
**audio**: [https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/科技汉语/phase/同类项/同类项_句子1.MP3](https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/科技汉语/phase/同类项/同类项_句子1.MP3)

## vs-47706
**sentence**: 2ab² 与 -3ab² 是同类项，它们所含字母及相同字母的指数都一样。
**audio**: [https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/科技汉语/phase/同类项/同类项_句子2.MP3](https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/科技汉语/phase/同类项/同类项_句子2.MP3)

# --characters--

## 同

- **拼音**: 18_30
- **部首**: 4
- **音频**: [发音](https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/国际中文/word/同/speak.mp3)
- **笔顺数据**: [JSON](https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E5%90%8C.json)

## 类

- **拼音**: 10_13
- **部首**: 83
- **音频**: [发音](https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/国际中文/word/类/speak.mp3)
- **笔顺数据**: [JSON](https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E7%B1%BB.json)

## 项

- **拼音**: 20_100
- **部首**: 109
- **音频**: [发音](https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/国际中文/word/项/speak.mp3)
- **笔顺数据**: [JSON](https://zwxx.oss-cn-hangzhou.aliyuncs.com/hanzi/hanzi-writer-data/%E9%A1%B9.json)

# --media--

- **配图**: ![同类项](https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/科技汉语/phase/同类项/同类项.jpeg)
- **发音**: [音频](https://zwxx.oss-cn-hangzhou.aliyuncs.com/rongmeiti/科技汉语/phase/同类项/同类项_中文.MP3)

# --notes--

## 数据完整性

- ✅ hasBasicInfo
- ✅ hasTranslation
- ✅ hasAudio
- ✅ hasImage
- ✅ hasStrokeData
- ✅ hasExampleSentences