ce qui

1. what (that which; those which; the thing that)
2. what (in indirect questions, subject)

lui

• Pron

  1. him, he; the third-person masculine singular personal pronoun used after a preposition, or as the predicate of a linking verb, or when disjoined from a sentence, or as a stressed subject
  2. him, her; the third-person singular personal pronoun used as an indirect object

• Verb

permet

third-person singular present indicative of permettre

la

• Article

  the (definite article)

• Pron
• Noun

communauté

1. community
2. commonwealth
3. one of the European Communities
4. one of the three linguistic communities making up the country (French-, Flemish-, and German-speaking).

scientifique

• Adj

  scientific

• Noun

de

• Prep

  1. of (expresses belonging)
  2. of (used to express property or association)
  3. from (used to indicate origin)
  4. of (indicates an amount)
  5. used attributively, often translated into English as a compound word
  6. from (used to indicate the start of a time or range)
  7. used after certain verbs before an infinitive, often translated into English as a gerund or an infinitive
  8. by (indicates the amount of change)

• Article
• Noun

son

• Noun

  sound

• Det