| Subject | English | Russian |
| math. | clarify the reasons for the occurrence of secular terms it is useful to consider a problem which | чтобы объяснить причины наличия вековых членов, полезно рассмотреть задачу, когда ... |
| math. | clarify the reasons for the occurrence of secular terms it is useful to consider a problem which | возникновение секулярных членов |
| Makarov. | clarify the terms | уточнять условия |
| math. | to clarify the reasons for the occurrence of secular terms | чтобы объяснить причины появления вековых членов (to clarify the reasons for the occurrence of secular terms it is useful to consider a problem which) |
| math. | to clarify the reasons for the occurrence of secular terms | чтобы выяснить причины наличия секулярных членов (to clarify the reasons for the occurrence of secular terms it is useful to consider a problem which) |