TASK DEFINITION: Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.
PROBLEM: Tagalog sentence: ... ang isa ay para ipalagay na ang isang malaking proporsyon ng mga mala-Ptolomi bituin katalogo ay katwiran sa mga Hipparchan obserbasyon na Hipparchus na ginamit para sa pagtitipon ng ikalawang bahagi ng kanyang "kuro sa Aratus".

SOLUTION: ... one has to assume that a substantial proportion of the Ptolemaic star catalogue is grounded on those Hipparchan observations which Hipparchus already used for the compilation of the second part of his "Commentary on Aratus".

PROBLEM: Tagalog sentence: Na naglalaman ng mas kaunting mga flavonoids ay pula na alak tulad ng Merlots at pula Zinfandels, ngunit sila naglalaman ng higit sa puting alak.

SOLUTION: Containing fewer flavonoids are red wines such as Merlots and red Zinfandels, but they do contain more than white wines.

PROBLEM: Tagalog sentence: Sa 1879 ng dalawang karagdagang articles galbanomiter at gonyomiter ay nai-publish sa ensiklopedya Britannica, at mula sa oras na ito siya ay naging isang permanenteng kontribyutor sa ikasiyam Edition ng ensiklopedya, ang kanyang iba pang mga pangunahing artikulo balani inilalathala sa 1883.

SOLUTION:
In 1879 two further articles Galvanometer and Goniometer were published in Encyclopaedia Britannica, and from this time he became a permanent contributor to the Ninth Edition of the Encyclopaedia, his other main article Magnetism being published in 1883.